Dive centre · Oita-shi · Japan
4.77 Google reviewsブルーアース21大分
Dive from a seaside clubhouse in the Kantan Kōen coastal park, established in 1988 with over 3,000 certified divers.
What sets this centre apart
- SSI affiliated dive centre operating since 1988
- Clubhouse located directly in the Kantan Kōen coastal park
- Over 3,000 divers certified through the centre
- Full rental kit including BCDs, regulators and drysuits
- Environmental commitment through regular seabed clean-ups
- Seaside terrace available for post-dive use
- Training available from Open Water to professional levels

ブルーアース21大分 about the centre
BlueEarth21 OITA is a long-standing SSI dive centre that has been operating in the Oita region since 1988. Situated in a clubhouse directly on the waterfront within the Kantan Kōen coastal park, the centre offers a relaxed atmosphere with a seaside terrace for post-dive relaxation.
The centre is deeply rooted in the local marine community, maintaining a strong commitment to environmental protection through regular seabed clean-up operations. This long-term presence has allowed them to build a significant track record, having trained more than 3,000 divers over nearly four decades.
The club and its team
The centre is affiliated with SSI and provides instruction in Japanese. Their experience is built on decades of local knowledge, catering to everyone from those looking for their first experience in the water to those pursuing professional-level certifications.
Beyond standard training, the team is involved in marine conservation efforts, integrating environmental awareness into the local diving culture.
The centre at a glance
- Affiliation
- SSI
- Operating since
- 1988
- Languages spoken
- JP
- Website available in
- English
- Management
- JP
- Equipment rental
- complet (incluant BC, régulateur, palmes, bottes, ordinateur, combinaison étanche)
- Access and transfers
- Located in the coastal park 'Kantan Kōen' near Oita port.
- Phone
- +81 97-534-0021
- Address
- 5 Chome-8-10 Ikushi, Oita, 870-0003, Japan
- Official website
- be21.com ↗
Courses on offer
The training programme covers the full SSI spectrum, starting with Open Water Diver and progressing through Advanced Open Water Diver. For those looking to refine specific skills, they offer the SSI Photo & Video Specialty.
They also provide a structured package for Advanced Open Water Diver training that includes four different specialties, allowing for a comprehensive development of skills.
Equipment and gases
For those travelling without their own kit, the centre provides full rental options. This includes BCDs, regulators, fins, boots, dive computers, and drysuits.
Shore-based support includes cylinder rentals available at Tanoura Beach, with options for single or additional cylinders to suit your dive plan.
Dive sites with ブルーアース21大分
Shimokajiyori Beach is a reef site located at the eastern tip of the Tsurumi Peninsula. It is a relatively unexplored area where you can find various tropical fish among the coral reefs, though divers should be prepared for strong currents.
Tanoura Beach serves as a versatile site accessible to all experience levels, making it a reliable location for various types of diving.
And some of the dive sites the centre runs.
Marine life around Oita-shi
The local reefs are characterised by a variety of tropical fish and healthy coral formations. These habitats provide the structure for a diverse marine ecosystem throughout the year.
In the more sheltered areas, you can encounter a range of reef life, including various species of tropical fish that frequent the coral structures.
Diving conditions
Conditions at the dive sites can vary, particularly at Shimokajiyori Beach where currents can become quite strong. Divers should be aware of these movements when planning their dives.
Visibility in the area is generally better during the winter months when the concentration of plankton in the water decreases.
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