Dive· Thatch Cay· Virgin Islands (BVI, USVI and Spanish Virgins)
Arches and Tunnels (Thatch Cay)
18° 21.7′ N · 64° 52.6′ W · approximate
One of St. Thomas's most requested dives: a maze of arches and swim-throughs off the northwest end of Thatch Cay, entered under the 'Welcome Arch' and threading through the 'Haunted House' and 'Dog Leg' with silversides and tarpon.
Practical
Position approximate: off the northwest end of Thatch Cay (OpenStreetMap coastline), from Red Hook Dive Center's description; not a surveyed mooring position. Red Hook Dive Center: may not be diveable at certain times of year because of weather. Exposed to Atlantic swell; go with a local operator, and only on calm days.
Best for
Swim-throughs and tarpon for certified divers