ASK DAN: What Do I Need to Know About Decongestants and Diving?

A repeat diver luxuriates in the lively shallows of the Great Blue Hole, a beautiful side of the site most divers fin straight past.

These wrecks along the African island’s north-western coast cater to every dive level, offering encounters from turtles and tuna to candy crabs and nudis.

Goliath grouper spawning, manatee snorkeling, freshwater springs, shark diving: it's all here, and this is when you can do it.

Zapote Cenote, nicknamed Hells Bells, gives divers the chance to get up close and personal with a rare underwater phenomenon.

These are the greatest places to explore unique geologic formations, according to our annual Readers Choice survey.

Wrecks litter Carlisle Bay Marine Park, giving shore divers an easily accessible playground 24/7.

Dive the jewel of the Pacific with Explorer Ventures Fleet.

Explore everything they Keys have to offer and meet new dive buddies from September 3 to 9 with PADI Club.