

Best for beginner divers, 6-10m, shore entry, mild current.
Water Treatment Plant on Tokashiki Island is a reef and artificial reef site suitable for beginners. Divers access the site from the shore, where depths average 8 metres, ranging between 6 and 10 metres. Conditions are generally mild with visibility between 10 and 20 metres. The site offers a typical dive duration of 45 minutes. Species recorded around this area include wrasses, various moray eels, lionfish, and nudibranchs. Hazards at this location include jellyfish, rip currents, sea urchins, sharp coral, and stonefish. Facilities available include air fills, guided tours, and a dive shop.
26.32290, 127.74620
After finishing the last dive for the day, try the famous Blue Seal ice-cream with traditional Okinawan flavours from the nearby shops.
Located just off a water desalination plant on the southern end of the Sunabe shore. Entry is possible at any time when sea conditions are favourable.
Recorded at this site
Depth
6-10m
Visibility
10-20m
Skill Level
Beginner
Entry
Shore
Water Temp
22-29°C
Current
Mild
Typical Dive
45 min
Best Time
Jun, Nov
Species recorded around this area include wrasses, snowflake morays, giant morays, zebra lionfish, Indian lionfish, and various nudibranchs such as the Chromodoris and Lavender Split-tooth Dorid.
Yes, this site is rated as suitable for beginner divers.
The depth at Water Treatment Plant ranges from 6 to 10 metres, with an average depth of 8 metres.
This is a shore entry dive site.
The best months to visit this site are June and November.
Diving at Water Treatment Plant in Chatan requires the following certifications: Open Water. Always dive within your training limits.
A 3mm wetsuit is recommended for diving at Water Treatment Plant in Chatan. Water temperatures range from 22°C to 29°C.
Divers at Water Treatment Plant in Chatan should be aware of jellyfish, stonefish. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Water Treatment Plant in Chatan typically has mild currents that most divers can handle comfortably.
Visibility at Water Treatment Plant in Chatan typically ranges from 10 metres to 20 metres. Conditions vary with weather, tides, and seasons.