If your dream vacation involves fins and a splash, you're in for a treat. This lineup of snorkeling destinations covers ...

You don’t have to rough it to scuba dive in epic underwater sites. These hotels pair luxury with world-class reefs.

Since 2022, the underwater volcano of Home Reef has repeatedly emerged, adding hectares of land to the Tonga archipelago.

But chances are—if you’ve made it to this remote oasis Down Under—you want unparalleled underwater access to coral reefs. And Hayman Island Resort ... and dive in to view magnificent fish ...

Others disagreed, and said there are lots of underwater creatures and that it was teeming with life. The Buck Island Reef Monument is open every day from 7 a.m. to 5 p.m. There's no entry fee to ...