Futo Marine Reserve - Japan Diving
Site Overview
Futo Marine Reserve is one of Izu Peninsula's most popular shore dive sites featuring a protected marine reserve with exceptional macro biodiversity and easy access from the dedicated dive entry facilities. The reef extends from three to twenty metres depth with rocky substrate supporting dense kelp forests temperate coral communities and an extraordinary diversity of small marine species. Japanese pygmy seahorses common frogfish nudibranchs flatworms and shrimp provide abundant macro photography opportunities throughout the site. The marine reserve status ensures excellent conservation with no-take policies resulting in abundant fish populations and healthy invertebrate communities. The dedicated entry stairs rinse tanks and equipment areas make Futo one of Japan's best-equipped shore dive facilities. The site is particularly famous for its nudibranch diversity with over fifty species recorded making it a premier destination for underwater macro photography and species identification. The site represents one of Japan's most compelling underwater destinations combining rich marine biodiversity with the distinctive geological and cultural heritage that characterises the region. Divers consistently praise the exceptional visibility healthy marine ecosystems and the professional guiding services provided by local operators who possess intimate knowledge of seasonal patterns and optimal dive timing. The underwater topography creates varied habitat zones supporting an extraordinary range of species from tiny macro critters hiding among the coral branches to large pelagic predators patrolling the blue water beyond the reef edge. Conservation efforts by local communities and dive operators have ensured the long term health of the reef systems making this a sustainable diving destination that continues to improve in ecological quality year after year.
Dive Briefing
"Enter from the dedicated entry stairs and swim across the shallow kelp zone at three to five metres toward the main rocky reef. Follow the substrate from five to eighteen metres searching for macro subjects among the kelp holdfasts and rocky crevices. The gentle gradient allows extended bottom time for careful macro observation and photography. Return to the entry point conducting your safety stop at five metres in the shallow kelp zone. Throughout the dive maintain awareness of your buddy position buoyancy control and depth gauge readings while observing the diverse marine communities and geological formations that make this site a rewarding destination for divers of all experience levels visiting the region during the optimal diving season. Throughout the dive maintain continuous awareness of your buddy position buoyancy control and depth gauge readings while observing the diverse marine communities and geological formations that make this site a rewarding destination for divers of all experience levels visiting the region during the optimal diving season. The combination of healthy reef systems varied depth profiles and consistent marine life encounters creates an underwater experience that satisfies both novice divers building confidence and experienced divers seeking new discoveries."
Signature Marine Life
Japanese pygmy seahorse
Hippocampus bargibanti
Best: May, June, July
Common frogfish
Antennarius commersoni
Best: April, May, June
Common octopus
Octopus vulgaris
Best: April, May, June
Japanese butterflyfish
Chaetodon nippon
Best: May, June, July
Japanese spider crab
Macrocheira kaempferi
Best: March, April, May
Safety & Hazards
- Variable visibility during rainy season months of June and July reducing underwater clarity significantly
- Seasonal thermoclines creating sudden temperature drops at depth requiring appropriate thermal protection
- Boat traffic from commercial fishing and recreational vessels in popular coastal diving areas
- Strong seasonal currents particularly during tidal changes at drift diving sites requiring experience
- Fishing line and net entanglement risk on rocky reef structures and submerged objects
Traveler Notes
Who is this for?
Futo Marine Reserve is ideal for beginners macro photographers and marine biology enthusiasts with excellent facilities and easy shore access. The site is perfect for training dives with calm conditions and abundant subjects. Underwater photographers will find world-class macro opportunities with nudibranchs seahorses and frogfish. The marine reserve status appeals to conservation-minded divers. The site welcomes divers of all certification levels with appropriate depth selection and guided support from local operators. Families with diving children appreciate the accessible shallow zones while advanced divers can explore the deeper reef margins and wall sections. Underwater photographers find exceptional subjects at both macro and wide angle scales while naturalists appreciate the ecological diversity and seasonal variation in marine life communities.
Quick Stats
Dive Logistics
- Futo Diving Center
- Izu Ocean Park Diving Service
- Atami Diving Service
- Osezaki Dive Center
- Mikomoto Divers
Photography Info
Best for: wide_angle
Nearby Stay
Atami Korakuen Hotel
Atami, Shizuoka • 3km away
Ito Park Hotel
Ito, Shizuoka • 2km away