The Atlantic Ocean is a turquoise blanket unfurled to the horizon beyond the white sand beach of the Grace Bay Club, a luxury resort in Turks and Caicos. My husband, Adrian, and I haven’t traveled as ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The best way to explore our planet's wondrous underwater world—if you don't want to leave the surface of ...

Belize, a small Central American country nestled between Mexico and Guatemala, is renowned for its pristine beaches, lush rainforests, and vibrant coral reefs. Among its many jewels, Caye Caulker ...

Corrections & Clarifications: This article and video has been updated to correct the last name of a freediver who uses Clear Lake as a practicing ground for bigger dives. He is Don Rothaus. As I sat ...

He loves the architecture of waving underwater grasses in the Susquehanna. A no-frills mask and snorkel can be had for about $20. Fins are not needed unless you intend to float a considerable distance ...