Best for beginner divers, 3-14m, shore entry, mild current.
Oumijima Naiwan is a shore-entry muck and reef site in Japan, offering depths between 3 and 14 metres with an average of 8 metres. The site features mild currents and visibility ranging from 5 to 15 metres, making it suitable for beginner divers. Divers should exercise caution during entry and exit due to the presence of sharp coral, rocks, and sea urchins in the shallows. On-site facilities include parking, showers, a rinse station, air fills, and guided tours. Typical dives last approximately 45 minutes. Divers are advised to wear protective footwear to avoid injuries from sea urchins while navigating the entry area.
34.42350, 131.22200
The site has a dive shop, air fills, parking, showers, and a rinse station on-site, so you can travel light and sort everything locally. Wear reef-safe boots or fins with foot protection to avoid sea urchin injuries during entry and exit.
Access info coming soon
Expected in this region. No sightings logged here yet.
Depth
3-14m
Visibility
5-15m
Skill Level
Beginner
Entry
Shore
Water Temp
15-26°C
Current
Mild
Typical Dive
45 min
Yes, the site is suitable for beginners due to its manageable depths and mild currents.
The site ranges from 3 to 14 metres deep, with an average depth of 8 metres.
This is a shore-entry site, though boat charters are available locally.
Divers should watch for sharp coral and rocks during entry, and use caution regarding sea urchins in the shallows to avoid injury.
The site provides parking, showers, a rinse station, air fills, and guided tours.
Diving at 青海島内湾 (Oumijima Naiwan) in Nagato requires the following certifications: Open Water. Always dive within your training limits.
青海島内湾 (Oumijima Naiwan) in Nagato typically has mild currents that most divers can handle comfortably.
Visibility at 青海島内湾 (Oumijima Naiwan) in Nagato typically ranges from 5 metres to 15 metres. Conditions vary with weather, tides, and seasons.
