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Dive centre · Numazu · Japan
4.449 Google reviewsHagoromo Marine Service Osezaki
Recover from a day of diving with a soak in the Hagoromo-no-yu natural onsen.
What sets this centre apart
- Natural Hagoromo-no-yu onsen on site
- Nitrox availability for extended bottom times
- Dedicated hot bath for wetsuit maintenance
- Hagoromo Shokudo restaurant on site
- Hagoromo-so accommodation for dive packages
- Sea view shop and changing facilities
- Access ramps for easy kit and diver entry
Hagoromo Marine Service Osezaki about the centre
Hagoromo Marine Service Osezaki is an established diving hub situated in the Osezaki area of Numazu. Since its founding in 2017, the centre has become a key part of the local diving community, providing access to the waters of the Izu Peninsula.
The centre is designed around convenience and comfort, featuring a shop with direct views of the sea and spacious, separate changing facilities. For those looking to extend their stay, the Hagoromo-so provides on-site accommodation, with packages available that combine diving with lodging.
The club and its team
The centre offers a range of instruction and guided services, from introductory scuba dives and snorkeling to advanced training. Their curriculum includes C-Card certifications, specialty courses, and various skill enhancement programs.
Instruction is available for all levels, including those looking for a first experience in the water. The centre's location and facilities are geared towards providing a seamless transition from the boat back to the shore.
The centre at a glance
- Operating since
- 2017
- Website available in
- Japanese
- Management
- Japanese
- Dive schedule
- Weekdays: 08:00-18:00 (until 21:00 for night dives). Weekends and public holidays: 07:00-21:00 (until 18:00 if no night dive). Early morning dives are available on weekdays upon request.
- Nitrox
- Yes
- Night diving
- Yes
- Access and transfers
- By public transport: From Mishima Station via the Izu Hakone line to Izu Nagaoka, or from Numazu Station via the Tokai bus to Erina (approx. 1h), then a shared taxi by reservation to Osezaki. In summer, a ferry connects Numazu port to Osezaki (30 min). By car: Approx. 50 min via prefectural route 17 from Nagaoka interchange (via Izu Jukan/Izu Chuo expressway) towards Mitsu.
- Accommodation
- The centre offers accommodation via Hagoromo-so (はごろも荘). Packages combining diving and accommodation are also available.
Courses on offer
The training programme covers the full spectrum of scuba diving, from initial C-Card certifications to advanced skill development. Divers can work towards specific specialties or undertake more intensive courses to refine their technique.
In addition to standard scuba training, the centre provides snorkeling instruction and introductory dive experiences for those new to the water.
Equipment and gases
The shore-based facilities are well-equipped to handle the practical needs of a diver. There is a dedicated hot bath specifically for rinsing and maintaining your wetsuits, alongside convenient ramps for transporting heavy kit and for easy entry and exit into the bay.
For those looking to extend their bottom time, Nitrox is available on-site. The facility also includes a restaurant, Hagoromo Shokudo, for meals during your stay.
Marine life around Numazu
The local marine life includes various species that inhabit the coastal waters of Numazu. You may encounter ribbonfish and glass goby during your dives.
Larger pelagics such as the manta ray (Mobula alfredi) are also part of the regional ecosystem.
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Your last day stays dry: no diving in the 18-24 hours before a flight, the perfect window to see the destination from another angle.
