

Best for beginner divers, 1-4m, boat entry, mild current.
Arches and Tunnels in Saint Thomas features a shallow reef and canyon system ranging from 1 to 4 metres in depth. This site is suitable for beginners, offering visibility between 10 and 30 metres. Access is by boat only, and divers should remain aware of potential strong currents that can develop unexpectedly. Water temperatures remain warm, between 27 and 30 degrees Celsius. Species recorded around this area include nurse sharks, whiptail stingrays, lettuce sea slugs, various parrotfish, honeycomb cowfish, and mustard hill coral. Divers should exercise caution regarding sharp coral and rocks, and maintain proximity to their guided tour leader throughout the 45-minute dive.
18.36343, -64.87092
The sea swell passing through a crevice in the rock makes a rhythmic sound described as a sea monster snoring.
Located on the north side of Thatch Cay, accessible by boat.
Recorded nearby, within 20km
Depth
Up to 4m
Visibility
10-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
27-30°C
Current
Mild
Typical Dive
45 min
Best Time
Jan, Feb, Mar, Apr, Oct, Nov, Dec
Species recorded around this area include nurse sharks, whiptail stingrays, lettuce sea slugs, striped, redband, and queen parrotfish, honeycomb cowfish, boxfish, gorette, Caribbean barrel sponges, brittle stars, Sally Lightfoot crabs, and mustard hill coral.
Yes, the shallow depths of 1 to 4 metres make this site suitable for beginners.
The depth at Arches and Tunnels ranges from 1 to 4 metres, with an average depth of 3 metres.
This is a boat-only dive site; a boat is required to reach the location.
While the site is primarily used for diving, the shallow depths of 1 to 4 metres may accommodate snorkelling, provided you follow safety protocols regarding currents and boat traffic.
Hazards include sharp coral and rocks, the presence of sharks, and the risk of strong currents. Divers should stay near their guide at all times.
Diving at Arches and Tunnels in Tutu requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Arches and Tunnels in Tutu. Water temperatures range from 27°C to 30°C.
The best months to visit Arches and Tunnels in Tutu are January, February, March, April, October, November, and December. Conditions outside these months can still be good but are less predictable.
Arches and Tunnels in Tutu typically has mild currents that most divers can handle comfortably.
Visibility at Arches and Tunnels in Tutu typically ranges from 10 metres to 30 metres. Conditions vary with weather, tides, and seasons.