Private Jet Island Hopping to Tokyo’s Wild Side: A 4-Night Journey to Tokyo Islands

<p>Hachijojima Jersey Cafe serves a variety of menu items made with fresh milk from Jersey cows raised on Hachijojima. These cows grow up healthy and stress-free in open pastures overlooking the Pacific Ocean, and are fed traditional island forage that has been used for generations.</p>



<p>Located in Okago, the heart of Hachijojima, the cafe sits next to the local supermarket “Super Asanuma.” It is the flagship cafe of Hachijojima Dairy Industry Inc., the island’s sole dairy farm and a leading force in one of Hachijojima’s signature industries.</p>



<h2 class="wp-block-heading">A Local Favorite: Jersey Milk Sweets</h2>



<figure class="wp-block-image size-full"><img src="https://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/11/blog-post-hachijojima-jersey-cafe-the-flagship-cafe-of-the-islands-only-jersey-dairy-farm-01.jpg" alt="" class="wp-image-7350"/></figure>



<p>Because it’s Japan—and because Hachijojima is a remote island with a thriving dairy tradition—you can enjoy sweets here that you won’t find anywhere else. The cafe’s top recommendations are its <em>wa</em>-style Japanese desserts. With six counter seats and twelve table seats, the cafe also offers power outlets, so you can relax and enjoy Jersey milk sweets while charging your phone.</p>



<p>One of the most popular items is the Ashitaba Shiratama Azuki Parfait, made by blending soft-serve ice cream crafted from Jersey milk with <em>ashitaba</em>, a leafy local specialty. The parfait is generously topped with classic Japanese ingredients such as chewy <em>shiratama</em> rice dumplings and sweet <em>azuki</em> red beans.</p>



<p>The combination of island-grown specialty ingredients and rich Jersey milk creates sweets you can truly enjoy only on Hachijojima. One standout is the Passion Jelly Soft Serve, made with tangy-sweet passion fruit jelly produced on the island and creamy soft-serve crafted from Jersey milk.</p>



<p>Other popular items include classic Jersey milk soft-serve; the Hachijojima Lemonade Float, which pairs soft-serve with lemons grown on the island; the take-home-friendly Hachijojima Jersey Pudding; and the rich, velvety <em>panna cotta</em> made with Hachijojima Jersey milk. With such a wide variety, the cafe offers something for every sweet lover.</p>



<h2 class="wp-block-heading">Simply Enjoy Jersey Milk</h2>



<figure class="wp-block-image size-full"><img src="https://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/11/blog-post-hachijojima-jersey-cafe-the-flagship-cafe-of-the-islands-only-jersey-dairy-farm-02.jpg" alt="" class="wp-image-7351"/></figure>



<p>If you’re visiting Hachijojima, why not savor the fresh Jersey milk produced right here? The cows at Hachijo YUYU Dairy Farm, raised on vast pastures with views of the Pacific Ocean, produce rich, creamy milk with a naturally sweet flavor. This milk is so highly regarded that even renowned hotels in Tokyo frequently request it.</p>



<figure class="wp-block-image size-full"><img src="https://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/11/blog-post-hachijojima-jersey-cafe-the-flagship-cafe-of-the-islands-only-jersey-dairy-farm-03.jpg" alt="" class="wp-image-7352"/></figure>



<h2 class="wp-block-heading">Abundant Jersey Milk Souvenirs</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/11/blog-post-hachijojima-jersey-cafe-the-flagship-cafe-of-the-islands-only-jersey-dairy-farm-04.jpg" alt="hachijojima island, jersey, cafe, the flagship cafe, jersey dairy farm, tokyo islands, izu islands, jersey cows, tokyo, japan, Hachijojima jersey butter" class="wp-image-7354"/><figcaption class="wp-element-caption">Hachijojima Jersey Butter - Hachijo Dairy Industry Inc.</figcaption></figure>



<p>If you want to bring back a taste of your trip for family, friends, or someone special, sweets made with Jersey milk are a perfect choice. Popular items include the Hachijojima Jersey Financier, made with rich Hachijojima Jersey butter, and the Ashitaba Chocolate Cookies, packed with both Hachijojima Jersey butter and powdered <em>ashitaba</em>, a local specialty.</p>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/11/blog-post-hachijojima-jersey-cafe-the-flagship-cafe-of-the-islands-only-jersey-dairy-farm-05.jpg" alt="hachijojima island, jersey, cafe, the flagship cafe, jersey dairy farm, tokyo islands, izu islands, jersey cows, tokyo, japan, Hachijojima jersey milk yogurt" class="wp-image-7355"/><figcaption class="wp-element-caption">Jersey Milk Yogurt- Hachijo Dairy Industry Inc.</figcaption></figure>



<p>Other treats you can enjoy on the spot include Hachijojima Jersey Pudding, Jersey Yogurt Drinks, and Jersey Milk Yogurt. Everything is made with the rich, creamy milk of Jersey cows raised right here on the island—delights you can truly experience only on Hachijojima. This is a must-visit cafe when you’re on the island.</p>



<p></p>

Hachijojima Jersey Cafe: The Island’s Flagship Cafe for Its Only Jersey Dairy Farm

<p>Planning to go scuba diving? It can be more complicated than you think. Not only do you need to find a dive shop, but also a place to stay and somewhere to eat. What if all of that was taken care of for you?</p>



<p>At Sea Hornet D.C—also known as <em>Pension Ichi Maru Ichi</em> on Izu Oshima—all your needs are covered after you arrive on the island. We handle your scuba diving or snorkeling, lodging, and meals. All you need to do is book your transportation to Oshima Island. Plus, all our facilities were fully renovated in 2022! Join Sea Hornet D.C for a hassle-free scuba diving adventure today.</p>



<p><span style="color: #ff0000;">Make your reservation via the email form below!</span></p>



<h2 class="wp-block-heading">Run by a Veteran Diver with Years of Local Experience</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/07/blog-post-izu-oshima-island-pension-ichi-maru-ichi-diving-shop-01.jpg" alt="scuba diving, snorkeling, izu oshima island, tokyo, japan, Pension Ichi Maru Ichi, Sea Honet D.C, accommodation, meals, pickup, Diving Experience, Discover Scuba Diving, Introductory diving" class="wp-image-7321"/></figure>



<p>Led by a seasoned instructor who has been diving in Oshima’s waters since childhood, our expert team will guide you through the spectacular underwater world of this volcanic island.</p>



<p>Izu Oshima is home to encounters with hammerhead sharks, thresher sharks, moray eels, sea turtles, and breathtaking seascapes shaped by lava flows and natural rock arches. The dramatic scenery leaves a lasting impression on divers from around the world.</p>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/07/blog-post-https___tokyoislands.sakura.ne_.jp_activities_izu-oshima-island-sea-hornet-dc-diving-shop-07.jpg" alt="scuba diving, snorkeling, izu oshima island, tokyo, japan, Pension Ichi Maru Ichi, Sea Honet D.C, instractor" class="wp-image-7330"/><figcaption class="wp-element-caption">One of our standout instructors, Rina, is highly experienced and known for her friendly approach.</figcaption></figure>



<p>Whether you're a beginner or a seasoned diver, we provide tailored dive experiences that match your skill level. Come and discover the wild underwater beauty of Izu Oshima with us!</p>



<h2 class="wp-block-heading">Marine Activities Offered by Sea Hornet D.C.</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/07/blog-post-izu-oshima-island-pension-ichi-maru-ichi-diving-shop-02.jpg" alt="scuba diving, snorkeling, izu oshima island, tokyo, japan, Pension Ichi Maru Ichi, Sea Honet D.C, accommodation, meals, pickup, Diving Experience, Discover Scuba Diving, Introductory diving, lava wall" class="wp-image-7322"/></figure>



<p>We offer two main activities: scuba diving and snorkeling. Scuba diving is available year-round, while snorkeling is best enjoyed between June and October—especially during summer. Let’s explore what each activity offers on Oshima Island.</p>



<h3 class="wp-block-heading">Scuba Diving (Certified Divers, Year-Round)</h3>



<p>Izu Oshima is one of the few places where you can see hammerhead sharks without the need for drift diving—something usually reserved for advanced divers. Here, even intermediate divers have the chance to witness them. And there's more than just hammerheads.</p>



<p>Depending on the season and dive site, you may also encounter thresher sharks, sea turtles, moray eels, schools of sardines, and a variety of colorful tropical fish. Combined with lava arches and volcanic rock formations, this dive site offers a rich and visually stunning experience.</p>



<p><a href="https://tokyoislands.jp/post/traveling_tips/tokyo-oshima-island-scuba-diving" target="_blank" rel="noreferrer noopener">More Information about Diving in Izu Oshima </a></p>



<h3 class="wp-block-heading">Snorkeling (June - October)</h3>



<p>Want to enjoy the ocean without going deep? Snorkeling is a fun and easy way to explore the coastal waters of Oshima Island. You can see vibrant tropical fish, along with species like grunt fish, damselfish, opaleye, and pufferfish.</p>



<p>Sea Hornet D.C. offers guided snorkeling tours that include about one hour in the water. Our experienced local instructors will teach you how to swim and breathe properly—perfect for beginners.</p>



<p>We provide full rental gear, including wetsuits, masks, snorkels, fins, and boots. Life jackets for children are also available, making this a great activity for families.</p>



<h2 class="wp-block-heading">Accommodations &amp; Meals</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/07/blog-post-izu-oshima-island-pension-ichi-maru-ichi-diving-shop-03.jpg" alt="scuba diving, snorkeling, izu oshima island, tokyo, japan, Pension Ichi Maru Ichi, Sea Honet D.C, accommodation, meals, pickup, rodge" class="wp-image-7323"/></figure>



<p>Looking for a comfortable place to stay while enjoying your diving or snorkeling adventure on Oshima Island? Our cozy, log-style accommodation—fully renovated in 2022—is the ideal choice.</p>



<p>We offer <strong>10 private cabins</strong>:</p>



<ul class="wp-block-list">
<li><strong>5 larger cabins</strong> (sleep up to four guests or three adults comfortably), each with a bunk bed and two futons (Japanese-style mattresses)</li>



<li><strong>5 smaller cabins</strong>, perfect for couples or solo travelers, with one single bed and one futon</li>
</ul>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/07/blog-post-izu-oshima-island-pension-ichi-maru-ichi-diving-shop-06.jpg" alt="scuba diving, snorkeling, izu oshima island, tokyo, japan, Pension Ichi Maru Ichi, Sea Honet D.C, facilities, washroom, restroom, toilet" class="wp-image-7325"/><figcaption class="wp-element-caption">Restroom</figcaption></figure>



<p>Each stay includes both <strong>dinner and breakfast</strong>, so you won’t need to worry about crowded restaurants during peak season. A BBQ option is available for an extra fee.</p>



<p>We also offer <strong>free pick-up and drop-off</strong> at the port or airport, making access to the lodge simple and stress-free.</p>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/07/blog-post-izu-oshima-island-pension-ichi-maru-ichi-diving-shop-09.jpg" alt="scuba diving, snorkeling, izu oshima island, tokyo, japan, Pension Ichi Maru Ichi, Sea Honet D.C, facilities, bathroom, shower" class="wp-image-7328"/><figcaption class="wp-element-caption">Bathroom</figcaption></figure>



<p>After a day of diving or snorkeling, enjoy a warm shower and relax in your private room. Whether you're here for adventure or relaxation, Sea Hornet D.C. offers the perfect home base to enjoy the island at your own pace.</p>



<p><span style="color: #ff0000;">Make your reservation via the email form below!</span></p>



<h3 class="wp-block-heading">More Access information</h3>



<p><a href="https://tokyoislands.jp/post/page/access" target="_blank" rel="noreferrer noopener">How to get to the Tokyo Islands (Izu Islands)</a></p>



<p></p>

Sea Hornet D.C: Dive, Stay, and Eat – Your All-in-One Dive Shop!

<p>According to the latest disaster prevention information from Miyake Village, the Japan Meteorological Agency has issued a volcanic eruption warning today, resulting in the elevation of Miyake Island’s volcanic alert level from Level 1 to Level 2.</p>



<p>As a precaution, access to hazardous areas located on the mountain side beyond the Oyama loop forest road is now strictly prohibited. Local authorities emphasize the importance of adhering to this restriction to ensure public safety.</p>



<p><strong>Although no specific actions are required for residents or regular tourists at this time,</strong> Miyake Village is actively monitoring volcanic activity and will continue to provide timely updates. Residents and visitors are advised to stay informed by following future announcements related to the volcano. <em>(Updated on June 17th, 2025)</em></p>



<p><em>Reference: <a href="https://www.facebook.com/MiyakejimaT.A/posts/1627307851544167" target="_blank" rel="noreferrer noopener">Miyakejima Tourism Association</a></em></p>

Miyake Village Disaster Prevention Information News (Updated June 17, 2025)

<p>You won’t believe the hidden treasures waiting beneath the waves near Tokyo! The city isn’t just a bustling metropolis—it’s also the gateway to some of Japan’s most unexpectedly captivating seas, home to fascinating creatures like hammerhead sharks, thresher sharks, and dragon moray eels. Just a 30-minute flight—or a direct jet ferry ride taking as little as 1 hour and 45 minutes from the city center—transports you to a wild, untamed ocean world you’d never expect to find so close to Tokyo. Ready to dive in?</p>



<h2 class="wp-block-heading">The Sharks Divers Love—And Where to Spot Them Near Tokyo</h2>



<p>When people think of Tokyo, few imagine it as a world-class diving destination. But that’s only because its hidden treasures are still waiting to be discovered. Tokyo’s remote islands—especially Oshima Island (also known as Izu Oshima)—boast rich waters teeming with sharks that divers from around the globe come to see.</p>



<p>On Oshima Island, you have the chance to encounter hammerhead sharks and copper sharks. You might expect that seeing these creatures would require countless dives—but the waters around Oshima are something else entirely.</p>



<h2 class="wp-block-heading">Even Open Water Divers Can Spot Hammerhead Sharks on Oshima Island!</h2>



<iframe width="560" height="315" src="https://www.youtube.com/embed/youqC6CBva4?si=BOzR9dQ3gxaIeePw&amp;start=194" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>



<p>With ideal diving conditions, Oshima Island offers divers the chance to explore its underwater world at a relaxed pace—especially when hoping to encounter iconic species like hammerhead and thresher sharks—without having to battle strong currents.</p>



<p>What truly sets Oshima apart is the rare opportunity to observe hammerhead sharks without the need for drift diving. Instead of being swept along by powerful currents, divers can stay in one spot, fully immersing themselves in the vibrant marine environment. It’s the perfect choice for those seeking a more controlled and serene diving experience—one that still delivers the excitement of encountering large, majestic marine life. That’s why even open water divers can try their luck at spotting sharks around Oshima Island.</p>



<h3 class="wp-block-heading">When Can You See Hammerhead Sharks in Oshima?</h3>



<p>On Oshima Island, hammerhead sharks can be seen from July through October, with September and October being especially ideal. As the summer crowds begin to fade, it becomes easier to book boats and accommodations—and the weather is more pleasant as the intense heat gives way to milder conditions.</p>



<p>These incredible sharks typically appear in the early morning, with an impressive 80% chance of a sighting. Watching hammerheads glide gracefully through the water is an awe-inspiring experience—and a guaranteed highlight of any diver’s adventure.</p>



<h2 class="wp-block-heading">Thresher Sharks Make Their Appearance in Fall!</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/04/Sardinesaithcoppersharks.jpg" alt="sardine, Copper shark, oshima, izu oshima, tokyo, japan tokyo islands, izu islands, tokyo, japan, scuba diving" class="wp-image-7237"/><figcaption class="wp-element-caption">Photo by Kirin Sekito</figcaption></figure>



<p>It’s astonishing to encounter the elusive thresher shark—a species found in only a handful of locations worldwide—in the waters near Tokyo. Underwater photographer Kirin Sekito, who has explored dive sites across the globe, including the Galápagos Islands, was stunned when he came face-to-face with a thresher shark off Oshima Island.</p>



<p>“To think that such a remarkable creature can be found in a sea just 1 hour and 45 minutes from central Tokyo—this is truly a rare place, even by global standards,” he said. It’s astonishing to encounter the elusive thresher shark—a species found in only a handful of locations worldwide—in the waters near Tokyo. <a href="https://www.kirinsekito-onlineshop.com/" data-type="link" data-id="https://www.kirinsekito-onlineshop.com/" target="_blank" rel="noreferrer noopener">Underwater photographer Kirin Sekito</a>, who has explored dive sites across the globe, including the Galápagos Islands, was stunned when he came face to face with a thresher shark off Oshima Island.</p>



<h3 class="wp-block-heading">When Can You See Thresher Sharks in Oshima?</h3>



<iframe width="560" height="315" src="https://www.youtube.com/embed/9HUzDmV5L3U?si=u2Kl34wiLk7G7L_g&amp;start=37" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>



<p>While thresher sharks can potentially be spotted year-round around Oshima Island, sightings are most likely in the fall—especially in October and November. These elusive sharks tend to appear on cloudy, overcast days, adding a bit of mystery to the experience. With a 50% chance of encountering one, why not try your luck and see if you can spot one for yourself?</p>



<h2 class="wp-block-heading">Just a Short Trip from Tokyo—And You Can Be Diving the Same Day!</h2>



<figure class="wp-block-image size-large"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/12/DSC_0216-1483x989.jpeg" alt="Jet ferry, Yui, jet foil, tokaikisen, tokyoislands, izuilslands, tokyo, japan, oshima, toshima, shikinejima, niijima, kozushima" class="wp-image-4940"/></figure>



<p>One of Oshima’s greatest appeals is its easy access from central Tokyo. Unlike destinations that require a flight—where diving on the first day is usually off-limits—Oshima can be reached by ferry, allowing you to dive the very same day you arrive.</p>



<p>For travelers on a tight schedule, that’s a major advantage. Even with limited time, you can still enjoy a full diving experience without missing a beat.</p>



<h2 class="wp-block-heading">Seasonal Splendor Beneath the Waves: Explore Oshima Anytime!</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/04/Kidakomorayeel.jpg" alt="kidakomorayeel, oshima, izu oshima, tokyo, japan tokyo islands, izu islands, tokyo, japan, scuba diving" class="wp-image-7235"/><figcaption class="wp-element-caption">Photo by Kirin Sekito</figcaption></figure>



<p>The waters surrounding Oshima Island are teeming with life, thanks to the warm Kuroshio Current that flows through the region. Divers can encounter a vibrant array of tropical fish typically found in southern seas, alongside larger marine creatures like sharks—a major draw for many visitors.</p>



<p>Oshima’s volcanic origins further enrich its underwater allure. The seafloor is shaped by dramatic natural formations, including lava arches and striking columnar joints, creating a dynamic and visually stunning landscape. These geological wonders add an extra layer of excitement to every dive, offering unforgettable sights for both novice and seasoned divers alike.</p>



<p>What truly sets Oshima Island apart is its ever-changing underwater seasons. Just like on land, the ocean here transforms throughout the year, offering fresh and unique experiences for divers in every season.</p>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/04/GreenturtleontheKagikenori.jpg" alt="Green turtle, Kagikenori, purple seaweed, oshima, izu oshima, tokyo, japan tokyo islands, izu islands, tokyo, japan, scuba diving" class="wp-image-7232"/><figcaption class="wp-element-caption">Photo by Kirin Sekito</figcaption></figure>



<p>In the summer months, divers may spot graceful green sea turtles gliding through the warm waters alongside sharks. In winter, the seafloor transforms into a mesmerizing scene as purple-hued Kagikenori seaweed blankets the ocean floor, creating a surreal underwater landscape. Year-round, fascinating creatures like moray eels and lionfish continue to captivate divers, no matter the season.</p>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/04/Kagikenori.jpg" alt="kagikenori, purple seaweed, oshima, izu oshima, tokyo, japan tokyo islands, izu islands, tokyo, japan, scuba diving" class="wp-image-7234"/><figcaption class="wp-element-caption">Photo by Kirin Sekito</figcaption></figure>



<p>It’s this rich marine biodiversity and ever-changing seascape that keep divers coming back to Oshima year after year.</p>



<h3 class="wp-block-heading">Oshima’s Shore Diving: Stay Under Longer Than You Can with Boat Dives</h3>



<p>While many dive destinations around the world emphasize boat diving, Oshima is renowned for its beach diving—offering a unique set of advantages. Unlike typical boat dives, which tend to be shorter, beach dives around Oshima allow for extended underwater time—often 40 to 50 minutes—providing ample opportunity for relaxed exploration and underwater photography.</p>



<p>Another perk of beach diving here is the easy access to captivating dive sites, many of which are just a short walk from the shore. For those venturing farther out, some local dive shops offer underwater scooters, making it effortless to glide through the currents without expending too much energy. The result is a more comfortable, leisurely dive that lets you conserve strength while fully enjoying the wonders of Oshima’s underwater world.</p>



<h2 class="wp-block-heading">Recommended Diving Shops on Oshima Island</h2>



<p>Oshima is home to many top-tier dive shops, offering exceptional experiences for divers of all skill levels. However, only a few are equipped to accommodate non-Japanese speakers. If you don’t speak Japanese, it’s important to choose a dive shop where you feel welcome and at ease. Below, we introduce a few dive shops on Oshima Island known for their friendly, English-friendly service and warm hospitality toward international visitors.</p>



<p>Yellow Dive <a href="https://tokyoislands.jp/post/activities/diving-and-guesthouse-yellow-dive" target="_blank" rel="noreferrer noopener">https://tokyoislands.jp/post/activities/diving-and-guesthouse-yellow-dive</a></p>



<p>Orange Fish <a href="https://tokyoislands.jp/post/activities/orange-fish-oshima-island" target="_blank" rel="noreferrer noopener">https://tokyoislands.jp/post/activities/orange-fish-oshima-island</a></p>



<p>And more… <a href="https://www.oshima-diving.org/english.html" target="_blank" rel="noreferrer noopener">https://www.oshima-diving.org/english.html</a></p>



<h2 class="wp-block-heading">Tips for Scuba Diving on Oshima Island</h2>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2025/04/SchoolofGrants-1.jpg" alt="school of grants, oshima, izu oshima, tokyo, japan tokyo islands, izu islands, tokyo, japan, scuba diving" class="wp-image-7238"/><figcaption class="wp-element-caption">Photo by Kirin Sekito</figcaption></figure>



<p>If you’re planning to go scuba diving on Oshima Island, here are a few key tips to keep in mind.</p>



<h3 class="wp-block-heading">1. Take a Ferry to the Island</h3>



<p>Although flying to Oshima might seem convenient—it takes only about 30 minutes—it’s not ideal for divers. Flying shortly before or after diving increases the risk of decompression sickness, meaning you won’t be able to dive on the same day you arrive. Instead, opt for a large ferry or a high-speed jet ferry. This allows you to travel safely and start diving later that same afternoon.<br>Check out detailed access information here: <a href="https://tokyoislands.jp/post/page/access" target="_blank" rel="noreferrer noopener">https://tokyoislands.jp/post/page/access</a></p>



<h3 class="wp-block-heading">2. Avoid Staying Near Mt. Mihara</h3>



<p>When booking accommodation, avoid places near Mt. Mihara due to the risk of decompression sickness caused by the altitude. Instead, look for lodgings near Motomachi, Okata, Senzu, or Habu Port.<br>If you're unsure about where to stay, feel free to reach out via the Tokyo Islands contact page or consult with your diving shop.</p>



<h3 class="wp-block-heading">3. Dry Suits Are a Must in Winter and Spring</h3>



<p>Water temperatures on Oshima Island can get quite chilly:</p>



<ul class="wp-block-list">
<li>Winter: around 15–18°C</li>



<li>Spring: around 15–21°C</li>
</ul>



<p>So, you'll definitely need a dry suit during these seasons. In summer and fall, temperatures usually range from 18–27°C, so a wetsuit is often sufficient. If you're bringing your own suit, it's a good idea to check the latest water temperature with your diving instructor in advance.</p>



<h3 class="wp-block-heading">4. You Can Dive with Just a 1-Night, 2-Day Trip!</h3>



<p>If you're short on time, don't worry—you can enjoy diving on Oshima Island with just a 1-night, 2-day trip. Take a high-speed jet ferry in the morning to arrive on the island, and spend the afternoon diving or exploring local sights.</p>



<p>In the summer or fall, if you’re hoping to see hammerhead sharks, plan for an early morning dive the next day. You can still fit in up to two more dives afterward if you book a return trip on an afternoon jet ferry.</p>



<h3 class="wp-block-heading">5. Be Flexible—Ferries and Flights Can Be Canceled due to Bad Weather</h3>



<p>Although Oshima Island is officially part of Tokyo, it remains a remote destination accessible only by ferry or plane. While ferry services boast a high operation rate—over 90%—transportation can still be disrupted during typhoon season or in poor weather conditions. To avoid unexpected issues, be sure to leave some flexibility in your schedule before and after your island trip, just in case of delays or cancellations.</p>



<h3 class="wp-block-heading">6. More Than Just Diving—Explore the Natural Wonders of This Volcanic Island</h3>



<p>Oshima Island is a volcanic gem rich in natural beauty. From dramatic crater views and massive fault lines to untouched forests and seasonal sights like the vibrant red camellia fields in winter, the island offers breathtaking scenery year-round.</p>



<p>You’ll also find local cuisine unique to the island, adding even more flavor to your trip. Even if you’re here for the diving, don’t miss the chance to explore beyond the ocean!<br>Check out more about sightseeing on Oshima Island here: <a href="https://tokyoislands.jp/oshima">https://tokyoislands.jp/oshima</a></p>



<p><em>All underwater photos are taken by the photographer, <a href="https://www.instagram.com/wildkirinphotography/" target="_blank" rel="noreferrer noopener">Kirin Sekito</a></em></p>



<p></p>

Hammerhead and Thresher Sharks Spotted in the Waters Around Tokyo’s Islands!

<p>Tokyo Islands are a group of islands located south of Tokyo. The water surrounding these islands is so pretty you won’t believe it’s part of Tokyo, plus, they have a ton of relaxing onsens as well. The only problem is, the ride on the large passenger ships that take you there can be as long as 12 hours, making it impractical for many.<br>There are planes that fly there too, but the tickets cost more than double those of the ferry. That’s why we are going to share with you here a better, tried and true method for getting to Kozushima, Shikinejima and Niijima, as told by the islanders themselves. It’s 3 hours shorter than the traditional route, at the same time costing much less than a flight.</p>



<h2 class="wp-block-heading"><strong>Recap - The traditional way of getting to the islands</strong></h2>



<p>Oceans, onsen, fresh seafood and nature, the Izu islands are packed with attractions that make it hard to believe it is still a part of Tokyo. Of those, Niijima, Shikinejima, and Kozushima are especially popular. Below are the 3 traditional ways to get to them.</p>



<h3 class="wp-block-heading">Large passenger ship</h3>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2023/05/blog-post-Access-to-the-Tokyo-Islands-Izu-Islands-01.jpg" alt="Access to the Tokyo Islands, Izu Islands, Tokyo, Japan, ship, large ship, night ferry" class="wp-image-6647"/><figcaption class="wp-element-caption">Large Passenger Ship (operated by <a href="http://www.tokaikisen.co.jp/english/">Tokai Kisen</a>)</figcaption></figure>



<p>The most common way is to go by large passenger ship departing the Takeshiba Sanbashi Pier at Hamamatsucho, Tokyo. It usually leaves Tokyo around 10PM, traveling overnight, while the return leg travels in daylight.</p>



<p>Taking the large passenger ship, it takes 10.5 hours to Niijima, 11 hours to Shikinejima and 12 hours to Kozushima. The advantage is that they are cheap. Off-season tickets are between ¥15,000 - 17,000 for a round trip in second class. Second-class passengers normally sleep on the floor, but add an extra ¥4,000 per trip, and you get a bunk bed to sleep on.</p>



<p>The disadvantage is that it takes a long time. The outbound journey departs late at night, so you can sleep onboard to arrive at your destination in the morning. Even Kozushima, the farthest of the lot, can be reached before noon, allowing a full day of activities on the day of arrival. But as the ride back is during the day, you don’t arrive in Tokyo until 8PM. Those living in the city can make it back home, but if you live outside of the Kanto region you may have to stay an extra night in Tokyo.</p>



<h3 class="wp-block-heading">High-speed Jet Ferry</h3>



<figure class="wp-block-image size-large is-resized"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/12/DSC_0216-1483x989.jpeg" alt="Jet ferry, Yui, jet foil, tokaikisen, tokyoislands, izuilslands, tokyo, japan, oshima, toshima, shikinejima, niijima, kozushima" class="wp-image-4940" style="width:840px;height:auto"/><figcaption class="wp-element-caption">High-speed Jet Ferry, operated by <a href="https://www.tokaikisen.co.jp/en/">Tokai-kisen</a>.</figcaption></figure>



<p>If available, the high-speed jet ferry operated by <a href="http://www.tokaikisen.co.jp/english/">Tokai Kisen</a> is like a godsend. Even Kozushima, the farthest of the islands is ¥12,000 one way during the off-season. It’s cheaper than a flight and faster than a large passenger ship. The ride to Kozushima is 4 hours - that’s a third of the time it takes on a large passenger ship. In the summer ferries operate daily, but during off-season, it goes down to once a week, and worse still during January to March, it only travels as far as Oshima. As a result, it’s hard to make use of it outside of the summer season.</p>



<h3 class="wp-block-heading">Airplanes from Chofu airport</h3>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/08/blog-post_Surfers_Paradise_With_Neverending_Blue_Marble_Waters_niijima_island_02.jpg" alt="Surfer's Paradise With Neverending Blue Marble Waters, niijima island, tokyo islands, izu islands, tokyo, japan, plane, Cessna, chofu airport" class="wp-image-6707"/><figcaption class="wp-element-caption">Airplanes from Chofu airport</figcaption></figure>



<p>You can get to the Izu islands by plane as well. Flights operated by <a href="https://www.central-air.co.jp/">New Central Airservice</a> fly to Niijima and Kozushima from Chofu Airport.<br>The advantage by far is the speed. Niijima is 40 minutes from Chofu, while Kozushima is 1 hour 25 minutes. No sooner do you take a flight than you need to start preparing for landing. For those traveling to Shikinejima, fly first to Niijima and transfer to the Nishiki inter-island ferryboat. The total journey, excluding transfer wait time, is about an hour. For Toshima, take a 25-minute flight from Chofu to Oshima, and transfer to a Tokai Kisen jet ferry, or the large passenger ship. You will arrive in about 1 hour 45 minutes (excludes transfer wait time).<br>The disadvantage is the cost, as flights are more expensive. On average, a one-way ticket from Chofu to Niijima is ¥16,600, and Kozushima ¥17,900. That means a one-way journey costs more than a round-way ticket in second class on a large passenger ship.</p>



<h2 class="wp-block-heading"><strong>Time saving and easy on your wallet: how to cut down by 3 hours</strong></h2>



<p>We used to travel everywhere on the large passenger ship, but I learned of another, smarter way to get around by the islanders. Not only is this way faster, but it’s cheaper than a flight too.</p>



<p><strong><em>The secret, is to travel up to Oshima by large passenger ferry, but then transfer onto the high-speed jet ferry. </em></strong>Tokyo to Oshima is 4.5 hours on the large passenger ship. The same journey on a high-speed jet ferry is as short as 1 hour 45 minutes. That means you cut down as much as 3 hours from your total travel time. (Departure times differ depending on the month, possibly affecting the amount of time saved)</p>



<p>This only works on your way back to Tokyo from the outlying islands. For the Tokyo to Izu island route, the schedule of the high-speed jet ferry and large passenger ship don’t time well, so you have no choice but to take the large passenger ship or take the plane.</p>



<ul class="wp-block-list">
<li>The fare from distant Kozushima to Oshima is ¥1,000–2,000 for second class (seasonal pricing)</li>



<li>The high-speed jet ferry from Oshima to Tokyo costs ¥9,000–12,000 (seasonal pricing)</li>



<li>Total cost: approximately ¥10,000–14,000</li>
</ul>



<p>This means the total fare saves you about ¥5,000 compared to flying, is faster than a large passenger ship, and still cheaper than a flight. It’s a great, economical option. Here's a quick recap of the charming islands you can visit using this method.</p>



<h2 class="wp-block-heading"><strong>The 4 islands you can travel to using the above method is Toshima, Niijima, Shikinejima and Kozushima.</strong></h2>



<h3 class="wp-block-heading"><strong>Toshima</strong>: the small island that is 80% covered in Camellia flowers</h3>



<figure class="wp-block-image size-large"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/08/Toshima-1484x989.jpg" alt="Toshima island, Tokyo Izu islands, tokyo, japan, volcanic islands, camellia" class="wp-image-6230"/></figure>



<p>80% of Toshima’s trees are Camellia flowers. I highly recommend readers to arrive on the island with no plans other than to relax. A population of just about 315 people, there are next to zero places to eat out (technically there are 2, but it’s absolutely necessary that you make reservations, making it hard for travelers to get a seat). There are no supermarkets but several small merchant's stores. There’s not much of a beach to swim in either…</p>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/08/d614c8e7f0945b20506dbbc43e6d21ef-2.jpg" alt="Island Filled With Camellia Flowers And Infinite Stars In The Sky, toshima, tokyo islands, izu islands, perfect guide, travel, japan, tokyo, stargazing, minamigayama park" class="wp-image-6252"/><figcaption class="wp-element-caption">The photo credit: Toshima Island village</figcaption></figure>



<p>However the night sky is incredibly beautiful, and the sight from the island observatory is magnificent with a sweeping view of the vast ocean with Mt. Fuji in the background. Walk to the edge of the pier and you will feel as though you are standing in the middle of the ocean with a 180 degree view of the ocean. It’s a beautiful, serene place where the only sounds are those of nature.</p>



<p><em><a href="https://tokyoislands.jp/toshima">If you want to know more about Toshima island, please go to this page.</a></em></p>



<h3 class="wp-block-heading"><strong>Niijima</strong>: the island with marble colored waters</h3>



<figure class="wp-block-image size-large"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/08/Niijima-1484x989.jpg" alt="Niijima, Habushiura beach, tokyo izu islands, tokyo, japan, volcanic islands, surfers" class="wp-image-6232"/></figure>



<p>Niijima is a popular place for surfers. The beach is somewhere between white and gray, making the ocean appear marble colored. While it’s great fun to play in the waters, there are a ton of other activities such as the free onsen right next to the ocean, the sand baths, and trekking, which is great for winter travelers as well. There’s also a workshop where you get to try making Niijima glass, known for its beautiful olive color. A must-have is the island sushi, try a variety of deliciously marinaded white fish.</p>



<p><em><a href="https://tokyoislands.jp/niijima">If you want to know more about Niijima island, please go to this page.</a></em></p>



<h3 class="wp-block-heading"><strong>Shikinejima</strong>: An onsen paradise perfect for families</h3>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2020/08/blog-post-boasting-emerald-green-waters-a-gem-for-water-sports-and-onsen-shikinejima-island_03.jpg" alt="Boasting Emerald Green Waters, A Gem For Water Sports And Onsen, Shikinejima island, Tokyo islands, Izu islands, Tokyo, Japan, kanbiki observatory, lookout" class="wp-image-6717"/></figure>



<p>In the summer, families flock to the popular Haku beach on Shikinejima. In the winter, the free natural onsen hot springs are the main draw. There are 3 free onsens, and they all have very different qualities, making each a unique and fun experience. Shikinejima was also once the filming location for a cult Japanese film, ‘Otoko wa Tsurai yo’ (It's tough being a man). From higher ground you barely see any buildings as they are all covered by the trees. It’s also a popular spot for diving and kayaking, and you will likely spot some tropical fish.</p>



<p><em><a href="https://tokyoislands.jp/shikinejima">If you want to know more about Shikinejima island, please go to this page.</a></em><br><a href="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2017/03/IMG_7589-e1483370138417.jpg"></a></p>



<h3 class="wp-block-heading"><strong>Kozushima</strong>: power spot of the deities</h3>



<figure class="wp-block-image size-full"><img src="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2023/03/blog-post-Travel_to_Kozushima_island_during_Off-season_Spring_Autumn_and_Winter-01.jpg" alt="Travel to Kozushima island during Off-season (Spring, Autumn and Winter), Tokyo Islands, Izu Islands, tokyo travel, Japan travel, tokyo, Japan, island trip, tako bay" class="wp-image-6508"/></figure>



<p>Kozushima is known as a place of gathering for the Gods. The view of the ocean as my boat pulled into Kozushima was so beautiful it took my breath away. The mountain, Mt. Tenjo, is memorable for looking white as though it had snowed. It’s also a known spot for trekking. In the summer, a popular activity is to jump into the water from Akasaki promenade for a swim.<br><br>In recent years, this beautiful island has become popular for touring power spots. As red snapper fish can be caught in the area, a red snapper set meal at Yocchare center is a mere ¥1,000. It’s an island abundant with fresh fish to be devoured.</p>



<p><em><a href="https://tokyoislands.jp/kozushima">If you want to know more about Kozushima island, please go to this page.</a></em><br><a href="http://tokyoislands.sakura.ne.jp/wp-content/uploads/2017/03/IMG_7689-e1483370586801.jpg"></a></p>



<h2 class="wp-block-heading"><strong>Save time and money to make the most of your island trip.</strong></h2>



<p>In a time when even the government is encouraging weekend trips, I highly recommend making it out to Tokyo’s outlying islands. Save both time and money on travel, and head to the islands for an unforgettable trip.</p>



<p><em>*The travel times, fares, and other details provided here are current as of April 2025. For the latest information, please check the official websites of <a href="https://www.tokaikisen.co.jp/en/" target="_blank" rel="noreferrer noopener">Tokaikisen</a> and <a href="https://www.central-air.co.jp/en/index.html" target="_blank" rel="noreferrer noopener">New Central Airservice</a>.</em></p>



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