One travel-weary diver finds respite on a weeklong liveaboard trip. On the agenda: snorkeling with humpback whales in Silver Bank, a protected breeding area.

It may fly under the radar in the dive world, but make no mistake: There are ample diving opportunities on this tiny Caribbean island. Start with these five sites.

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