These six gems—from Puerto Rico to Guanaja—are the best under-the-radar Caribbean islands for scuba diving.

Scuba Diving's readers made their picks for the best destinations for shore diving in the world, including Bonaire, Hawaii and more.

Shark conservationist Randall Arauz is named the May 2019 Sea Hero by Scuba Diving magazine and Seiko Watches.

Fiji scuba diving includes thrilling shark dives and beautiful soft coral reefs, and there are great topside excursions waiting on land.

Divi Flamingo Beach Resort & Casino

Because we are the only company with resort and dive operations on all three Cayman Islands - Little Cayman Beach Resort, Cayman Brac Beach Resort, and Cobalt Coast Resort on Grand Cayman - no one can provide you with better world-class diving experiences in clear waters teeming with marine life. Guests love our comfortable accommodations, friendly staff, and chef-prepared meals. But it's Reef Divers they credit as reason for returning again and again. We take the work out of diving, so you can just relax and enjoy your vacation.

Drive from Miami to Key Largo for the best scuba diving in the Florida Keys, including the Christ of the Deep and shallow reefs.

The luxury liveaboard *Oman Aggressor* offers access to pristine Oman scuba diving sites and the luxury of a top-tier dive experience.

Wreck diving is some of the most fascinating bottom time you can have as a scuba diver, and Stuart Cove’s Dive Bahamas is renowned for delivering epic wreck dives.