PADI Pro Annie Crawley answers a reader's questions about their first boat dive. Want to know what to bring onboard or don't know how much to tip the crew?

From vibrantly colored reefs in the Maldives to centuries-old temples in Sri Lanka (and so much more), here's why a land-and-sea combo could be one of the dreamiest vacations you've taken.

Liveaboards provide unique opportunities for immersive diving experiences. These expeditions take things one step further and invite guests to participate in marine research while they explore.

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Ready to book your first (or next) liveaboard dive adventure? Here are the questions you should ask.

Swim with massive humpback whales in the Dominican Republic! A breathtaking, up-close encounter with an energetic calf puts on an adorable show.

Guests are treated like family, the yachts are well-appointed, and the itineraries are packed with underwater surprises and once-in-a-lifetime encounters.