There's no better opportunity to see the many vibrant creatures in our oceans than snorkeling over a coral reef – but bad practices can mean that even visitors with the best intentions can damage this ...

The Hawaiian Islands boast more than 1,200 miles of coral reef, so it's hardly surprising that two of O'ahu's most popular activities are snorkeling and scuba diving. Dive into the island's ...

Tropical fish, brilliant coral formations, and a submerged statue of Jesus are among the many wonders at these Florida dive ...

These protected and vibrant reefs are home to an abundance of marine life: more than 6,000 species. One of the most notable attractions when diving or snorkeling in Key Largo is the nearly 9-foot ...