Experience the Underwater Wonders of Izu Peninsula with a Certified Diver Tour
If you’re a certified diver looking to explore one of Japan’s most celebrated diving spots, this scuba adventure in Izu Oceanic Park, Ito is a compelling choice. For around $114, you’ll spend approximately six hours immersed in the vibrant marine life and stunning underwater scenery of Japan’s Izu Peninsula. Guided by friendly, knowledgeable instructors like Morita-san, this tour is designed not only to satisfy your curiosity but to deepen your appreciation for Japan’s underwater biodiversity.
What we particularly love about this experience are the flexibility and personalized attention—you can bring your own equipment or rent excellent gear in advance, and guides speak both English and Japanese, making it accessible for international travelers. Plus, the inclusion of a packed lunch means you won’t have to worry about food during your adventure. One caveat: sea conditions can sometimes lead to changes in diving sites, so a flexible attitude helps. This tour suits experienced divers eager to enjoy the best of Izu’s marine environment while getting a taste of local Japanese hospitality.
This tour is perfect for divers with previous experience who want to enjoy a safe, guided exploration of the Izu Sea. If you’re seeking a memorable dive with the chance to see moray eels, pufferfish, and sardines in their natural habitat, and appreciate a well-organized, small-group setting, this trip ticks many boxes.
Key Points

- Tailored for Certified Divers: Requires past diving experience, ensuring safety and comfort.
- Flexible Equipment Options: Bring your own gear or rent locally with advance notice.
- Rich Marine Biodiversity: Expect to see moray eels, pufferfish, sardines, and other sea creatures.
- Professional, Multilingual Guides: Guides can conduct the experience in English or Japanese.
- Includes a Packed Lunch: Perfect for recharging after your underwater adventure.
- Changeable Dive Sites: Marine conditions may lead to site adjustments, so flexibility is key.
A Detailed Look at the Izu Diving Experience
Planning more time in Ito? We've covered other experiences worth considering.
The Location: Izu Oceanic Park in Ito
The tour starts at the Izu Oceanic Park (IOP), a well-known and historic diving spot that attracts enthusiasts from all over Japan. Located in Ito, this area boasts clear waters, abundant marine life, and interesting underwater topography. It’s a perfect setting for certified divers who want a reliable, enjoyable experience.
The meeting point is conveniently located at 1082-5 Yawatano in Ito, close to public transportation options, making it easy to reach without the hassle of complicated transfers. Starting at 9am, the tour fits comfortably into a half-day schedule, allowing you to maximize your time in the sea.
What the Tour Entails
This is a private activity, so your group will enjoy undivided attention from your guide. Morita-san, an instructor praised for his patience and detailed explanations, makes sure everyone feels comfortable before getting into the water.
The core of the experience involves two tanks, weights, and a belt, with the possibility to rent full equipment ahead of time if you prefer. The guide will tailor the dive to your skill level, ensuring you feel confident in the water. The exact diving site may vary according to sea conditions, but the aim is always to showcase the best marine life and underwater scenery available that day.
What You’ll See
Expect to encounter a variety of sea creatures, including moray eels, pufferfish, sardines, shrimps, and juvenile fish. As one reviewer notes, the highlights included two dragon moray eels—an impressive sight for any marine enthusiast. The clear waters and rich biodiversity make every dive a surprise, with many divers mentioning how “you see so many fish and it’s such a nice experience.”
The Guides and Their Approach
Guides like Morita-san are highly praised for their patience, clarity, and enthusiasm. One reviewer mentioned feeling “safe from the first moment,” highlighting the importance of a calm, knowledgeable guide for divers, especially if it’s been a while since your last dive. Guides are bilingual, offering the experience in both English and Japanese, which helps international travelers feel more at ease.
The Lunch and Additional Comforts
A packed lunch is included, which is a thoughtful touch, allowing you to relax and refuel after your underwater exploration. The facilities at the site are also well-regarded, providing a comfortable environment for changing and preparing before and after your dive.
The Value for the Price
Considering the cost of $114.13 per person, this experience offers good value for certified divers. It includes guided guidance, two tanks, and lunch, which are typically part of more expensive packages elsewhere. Reviews echo this sentiment, with many praising the professionalism, marine diversity, and overall organization.
Flexibility and Cancellation Policy
The tour’s free cancellation policy up to 24 hours in advance adds peace of mind. If weather conditions threaten to spoil your plans, there’s a good chance of rescheduling or refund, making it a reliable choice even if weather is unpredictable.
Who Will Love This Tour?

This experience suits experienced divers who are comfortable in the water but want to explore Japan’s spectacular marine environment with expert guidance. It’s ideal for those who appreciate small-group settings and personalized attention, especially if you want to see specific species like moray eels or juvenile fish.
The tour is also suitable for families or groups of friends, given the private nature and the relaxed, friendly guidance style. If you’re returning to the Izu region and want a safe, well-organized adventure with excellent local insight, this tour is worth considering.
Final Thoughts: Is It Worth It?

If you’re a certified diver searching for a well-organized, marine-rich experience in Izu, this tour ticks many boxes. The combination of professional guides, diverse marine life, and comfort amenities makes it stand out. You’ll find that the marine environment here offers a mix of scenic beauty and lively underwater activity that’s hard to beat, especially for those with previous diving experience.
The inclusion of a lunch and the option to rent gear adds both convenience and value. Plus, the flexible cancelation policy helps mitigate concerns about weather. For anyone eager to enjoy Japan’s underwater world in a safe, friendly environment, this tour promises a memorable and rewarding adventure.
Whether you’re a seasoned diver looking for new sights or someone wanting a guided experience in a beautiful setting, this Izu tour offers a chance to discover some of Japan’s best underwater treasures with expert assistance.
FAQ

Do I need to bring my own diving equipment?
You can bring your own gear or rent full equipment in advance. The tour includes tanks, weights, and a belt, but rental options are available if needed.
What is the minimum experience required?
Past diving experience is required, ensuring you’re comfortable and confident in the water before joining this adventure.
How long does the tour last?
The activity runs for approximately six hours, starting at 9am, including guide time, actual diving, and lunch.
Can I cancel the tour if the weather is bad?
Yes, cancellations are free up to 24 hours before the scheduled start. If poor weather cancels the tour, you’ll be offered a different date or a full refund.
Is the guide bilingual?
Yes, guides can offer the experience in both English and Japanese, making it easier for international guests to communicate and understand.
What should I bring for the dive?
Bring your swimsuit, towel, sandals, your diving card, and log book. The tour provides the rest, including tanks and weights.
How many people are in each group?
Since this is a private tour, only your group will participate, which allows for more personalized guidance and a comfortable experience.
In all, this excursion in Izu offers a rewarding way to see Japan’s marine life with professional guidance, flexible options, and a scenic setting. It’s a great pick for seasoned divers who want to explore the underwater treasures of the Izu Peninsula in a safe, relaxed environment.
