

Best for intermediate divers, 1-2m, boat entry, strong current.
Thestis Reef is a marine site located 1000 metres offshore in the Seven Sisters area of Yanbu, Saudi Arabia. The reef features a shallow crest reaching depths of 1 to 2 metres, with an average depth of 20 metres. Divers experience visibility between 10 and 30 metres. Due to strong currents, this site is suited for intermediate divers who possess solid buoyancy control. Entry is by boat only. Hazards include strong currents, sea urchins, and sharp coral. Divers should maintain a safe distance from lionfish to avoid injury from venomous spines. The habitat supports a variety of reef fish and invertebrates typical of the region.
23.65012, 38.03275
The strong currents at Thestis can shift with the tide, so plan your entry and exit with the current direction in mind and confirm conditions with your boat operator before descending. Watch your depth carefully near the crest as shallow coral heads and sea urchins sit very close to the surface.
Access info coming soon
Recorded at this site
Depth
Up to 2m
Visibility
10-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
25-32°C
Current
Strong
Best Time
Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec
The site supports a variety of reef fish and invertebrates expected for this habitat in the Red Sea.
No, Thestis Reef is recommended for intermediate divers due to the presence of strong currents.
The reef crest sits at 1 to 2 metres, with an average depth of 20 metres.
This is a boat-only dive site located 1000 metres from the shore.
Water temperatures range from 25C in February and March to 32C in August.
Diving at Thestis Reef in Thestis Reef requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Thestis Reef in Thestis Reef. Water temperatures range from 25°C to 32°C.
The best months to visit Thestis Reef in Thestis Reef are January, February, March, April, May, September, October, November, and December. Conditions outside these months can still be good but are less predictable.
Divers at Thestis Reef in Thestis Reef should be aware of sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.