A person scuba dive in Rarotonga, Cook Islands. chameleonseye/Getty Images. ... The island of Niue may be small, but it doesn’t skimp on natural splendor.

Scuba diving level: Ras Mohammed is renowned for its vibrant coral reefs and diverse marine life, making it suitable for ...

From California to Belize to Australia—at these spots you'll experience thriving intact coral reefs, colorful (and big) fish, and the trip of a lifetime. Our diving expert reveals her favorites.