Raja Ampat with the highest fish count in the world should be on every Indo Pacific divers bucket list.

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Indonesia's Derawan Islands offer scuba divers aboard Aggressor's liveaboard boat run-ins with whale sharks, jellyfish and more.

*Scuba Diving* Magazine's readers voted for the world's best destinations for advanced divers.

These six daredevil dives promise the thrill of a lifetime — from shark encounters in the Caribbean to crocodiles and sea snakes in the Indian and Pacific.

These 17,000-plus islands are the stuff of dreams for divers of all levels.

The past year served up some epic underwater footage — take a look at our favorite underwater videos of 2017 here.

See what it's like to snorkel with jellyfish in this underwater video, taken in Indonesia at Lake Kakaban.

See what it's like to scuba dive with four gigantic whale sharks off the Derawan Islands in Indonesia in this video.