We track 13 dive operators in Hatsushima. 3 teach certification courses (3 PADI). 3 offer accommodation alongside diving. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
Dolphin Wave is a PADI 5 Star dive resort located in Futo, Izu. They offer guided fun dives, scuba courses, and discovery diving programs for beginners. The operator provides rental equipment and organizes boat trips to local dive sites.
Stay Dream is a PADI 5 Star Dive Resort located in Kawana, Izu. The operator offers various diving courses, guided fun dives, and organizes diving tours and events.
Kawana Diving Service is a scuba diving spot located in Ito City, Shizuoka, Japan. The facility provides air tanks and boat diving services for registered dive shops and experienced divers.
Beach Line is a small diving shop opened in 2009 located on Izu Oshima. The shop provides guided diving services at five main beach points on the island and offers on-site accommodation.
Jester is a dive service located in Kawana, Izu Peninsula, providing full support for diving activities. They offer guided dives, boat trips, and various PADI certification courses. The operator also provides equipment rentals and has an on-site clubhouse for guest accommodation.
Aquatic Pro is operated by SUGA MARINE MECHANIC LLC. The company provides underwater environmental surveys, underwater video production, and diving guide services focused on explaining marine life and topography.
The 8 highest-ranked of 13. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Dolphin Wave | 4.3(39) | none | none | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 13 dive operators in Hatsushima. 3 of them run certification courses.
PADI is the most common agency (3 centres).
3 operators in Hatsushima offer accommodation alongside diving.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
| 2 | Stay Dream | 4.3(9) | none | none | PADI | Visit |
| 3 | Kawana Diving Service | 4.2(39) | none | none | none | Visit |
| 4 | Take Sea | 5.0(9) | none | none | none | Visit |
| 5 | 伊豆大島ダイビング Beach Line | 4.6(18) | none | none | none | Visit |
| 6 | Jester | none | none | none | PADI | Visit |
| 7 | アクアティック・プロ | none | none | none | none | Visit |
| 8 | Kawana Diving | none | none | none | none | Visit |
