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Cayman Island Tourism Association P.O. Box 31086 1320 West Bay Road Grand Cayman KY1-1205 Cayman Island
Total: 237 Dive Sites

Big Tunnels

West Bay, Grand Cayman
Category Location
  • - West Bay
Depth Coordinates
55ft 19.36826 , -81.41651

Big Tunnels is among the best dives on Grand Cayman. A jutting limestone pinnacle starts off the dive with schooling horse eyed jacks cirling its center, leading to the big tunnel. A cavernous swim through with rope sponges and sea whips protruding from the porous walls, you’ll exit at nearly 105 feet so watch your gauge! A large buttress rests near the big tunnel with schooling silversides swimming through the swiss cheese-like structure in summer.

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Special Thanks to Cayman Islands Dive Sites