

Best for beginner divers, 15-18m, boat entry, mild current.
Thompsons Valley Island is a reef and cave system located off the southwest coast of Saint Helena. The site is suitable for beginners, offering depths between 15 and 18 metres, though the sea floor drops to 30 metres. Divers experience mild currents and visibility ranging from 10 to 30 metres. Access is strictly by boat, requiring divers to remain alert for boat traffic during surfacing. Water temperatures fluctuate between 20 and 26 degrees Celsius throughout the year. The cave feature provides an exploratory element accessible to those without specialist training. Check locally for current boat operator availability before planning your dive.
-15.98067, -5.77780
Check locally for current boat operator options before planning your trip, as facilities and charter availability on Saint Helena can change. The site dives year-round, so scheduling around your travel logistics matters more than seasonality.
Access info coming soon
No known hazards
Expected in this region. No sightings logged here yet.
Depth
15-18m
Visibility
10-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
20-26°C
Current
Mild
Yes, the site is considered suitable for beginners, offering a manageable reef and cave system.
The site features depths of 15 to 18 metres, with the sea floor dropping to 30 metres.
This is a boat-only dive site; a boat is required for access.
Divers can expect mild currents and visibility between 10 and 30 metres, with water temperatures ranging from 20 to 26 degrees Celsius.
Divers must remain alert for boat traffic while surfacing and monitor their depth gauge closely due to the sea floor dropping to 30 metres.
A 5mm wetsuit is recommended for diving at Thompsons Valley Island in Jamestown. Water temperatures range from 20°C to 26°C.