Dive the Izu Peninsula at Izu Oceanic Park (IOP) on a two-tank guided excursion. This six-hour trip offers reef slopes, walls and warm-water species carried by the Kuroshio Current — ideal for prepared, certified divers.
More ways to explore the area's outdoor wonders
Salt spray and a sharp horizon set the tone before the first descent: divers gather at a small harbor on the Izu Peninsula, the Kuroshio Current warming the water and funneling tropical life toward rocky reefs. By 9 a.m. a guide briefs the group, weights and tanks checked, then the boat pulls away toward Izu Oceanic Park (IOP) where submerged walls and kelp gardens reveal bands of colorful fish.
Difficulty
moderate
Duration
6 hours
Fitness Level
Should be in moderate physical condition: comfortable swimming, able to carry/secure gear, and perform basic safety procedures.
Wildlife
History
Izu’s coast has been fished and explored for centuries; modern recreational diving developed here in the late 20th century as Japan opened coastal sites to sport divers.
Conservation
Divers are encouraged to practice buoyancy control and reef-friendly behavior; local groups monitor reef health and promote no-touch policies to protect sensitive marine life.
Reserve your spot on the Let's enjoy Scuba diving in Izu Peninsula for certificate Diver today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring your certification and logbook
Operators require proof of certification and recent diving history—have your dive card and logbook ready to avoid delays.
Book rental gear in advance
If you need full wet/dry equipment, provide sizing details ahead of time so the operator can prepare your kit.
Watch the weather and currents
Diving sites may change with sea conditions; be prepared for itinerary adjustments and follow your guide’s safety briefings.
Plan for post-dive recovery
Bring snacks, water, and consider a warm change of clothes or an onsen visit—surface intervals and travel can be tiring.
Dive certification card & logbook
Required for boarding and to help guides tailor the dive to your experience.
Mask, snorkel and fins (or rent)
Well-fitting basic kit improves comfort and safety in the water.
Wetsuit (3–5mm) or drysuit in cold months
Spring can be cool; a 5mm wetsuit or rental options help maintain warmth.
spring
Dive computer or timing device
Tracks no-decompression limits and helps manage multi-tank dive planning.