About this spot
Wannai sits in Japan's Fuji-Hakone-Izu National Park near the Izu Osezaki Lighthouse, making it a protected marine area with established diving activity. The site benefits from year-round accessibility, meaning divers can plan trips across all seasons without seasonal closures limiting visits. Twelve species observations have been logged by the diving community, giving you a baseline of what lives there—though specifics on depth, visibility, and water temperature will depend on the season and current conditions. The protected status ensures environmental oversight and sustainable use. Location near a lighthouse indicates good surface navigation references and likely established access routes. Three community videos suggest an active local diving scene with documentation of actual conditions and encounters. Planning a trip here works best with recent local intel, as conditions vary seasonally. Connect with dive operators familiar with the area to get current water temps, visibility forecasts, and any gear considerations. The protected park designation means respecting local rules and guidelines—standard practice for responsible diving.
📖 Guide: Diving in Japan: 42 Sites from Sharks to Stone Monuments
Dive types
Trip essentials
Everything you need before you pack — checklist, sun, logistics.
Trip checklist
- 🛂 Visa-free or visa-on-arrival
- 📜 C-card + dive insurance (DAN)
- 📔 Dive logbook
- 🧴 Reef-safe sunscreen SPF 50+
- 🔌 Plug type A/B · 100V adapter
- 💊 Seasickness meds + ear drops
- 📱 Offline maps + emergency contact
Quick facts
- 🌓 Moon First quarter · 47%
- GPS
› Sustainability disclosures
FAQ
›When is the best time to dive Wannai?
Wannai is diveable year-round, so you're not locked into a single season. Water temperature and visibility will shift across months, so check with local operators for seasonal conditions before booking.
›What depth and difficulty level is Wannai?
Depth and difficulty data for Wannai aren't documented in available records. Consult dive shops or operators who work the site regularly to match your skill level and equipment to current conditions.
›What marine life can I expect to see?
Twelve species have been observed at Wannai, but specific identifications aren't listed here. Check community videos and recent dive logs for current sightings and behavior.
›Are there access restrictions or permits required?
Wannai sits inside Fuji-Hakone-Izu National Park, a protected marine area. Respect park regulations and check with local authorities or dive operators about any permits, gear requirements, or diving rules before you go.
