

Best for intermediate divers, 8-30m, boat entry, moderate current.
Overhead Rock is a dynamic site located 2000 metres off Tokashiki Island, featuring a combination of reef, wall, and cave structures. Divers can explore depths ranging from 8 to 30 metres, with an average depth of 20 metres. Visibility at this site typically reaches 20 to 30 metres. Due to moderate currents and the complexity of the cave and wall sections, this site is suited for intermediate divers. Boat access is required for all dives. Divers should remain vigilant regarding potential entanglement risks within the cave passages and be aware of the presence of sharks in the area. All necessary facilities, including air fills and boat charters, are available at the departure point.
26.51140, 127.85600
It is necessary to walk about 150 m on top of sharp rocks in order to get from the parking lot to the water for shore dives.
Boat access is available; shore diving is also available except during adverse sea conditions.
Recorded at this site
Depth
8-30m
Visibility
20-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
22-29°C
Current
Moderate
The site ranges from 8 to 30 metres deep, with an average depth of 20 metres.
No, this site is rated for intermediate divers due to the moderate currents and the technical nature of the cave and wall structures.
Boat access is required to reach this site, which is located 2000 metres from the shore.
Divers should be cautious of strong currents, entanglement risks within the cave and wall structures, and the presence of sharks.
This site is designated for diving and requires boat access; it is not suitable for snorkelling.
Diving at Overhead Rock in Onna requires the following certifications: Intermediate. Always dive within your training limits.
A 3mm wetsuit is recommended for diving at Overhead Rock in Onna. Water temperatures range from 22°C to 29°C.
Expect moderate currents at Overhead Rock in Onna. Good buoyancy control and some drift diving experience is helpful.
Visibility at Overhead Rock in Onna typically ranges from 20 metres to 30 metres. Conditions vary with weather, tides, and seasons.