Crystal Grace

Arrive at the natural wonder, The Crystal Caves which features stunning azure underground pools and incredible formations of every size and shape imaginable. The lush sub-tropical gardens, unique gift shop and popular café, an adventure for the whole family.

Sail Bermuda's turquoise waters on a catamaran and snorkel over a reef or shipwreck.

Walk on the sea floor wearing a diving helmet, among fish and coral, no swimming or diving experience needed.

Circle all of Antigua by speedboat, stopping to snorkel, swim at Stingray City and see Devil's Bridge and the island's quiet bays from the water.

A guided drive to the island's highlights, including Nelson's Dockyard, the view from Shirley Heights and some of Antigua's famous beaches.

Zip around Antigua in an open-air tuk-tuk, through the rainforest and on to a couple of beaches, for a fun, laid-back half day.

A day on the water in Guadeloupe's lagoon: mangroves, coral reef snorkeling and the tiny sandy islet of Ilet Caret.

Visit the real spots from the TV show "Death in Paradise," including the village of Deshaies and Catherine's bar, plus the botanical garden.

A guided visit to a traditional Guadeloupe rum distillery to see how agricultural rum is made, ending with a tasting.

St. Lucia's most-booked tour: drive through villages and rainforest to Soufriere and the Pitons, see the drive-in volcano, then cruise back along the coast.

A two-hour ATV ride over hills and through banana plantations with sweeping island views.

Soak in the warm volcanic mud baths at Sulphur Springs, then rinse off at a waterfall in the rainforest. A perfect 5-star rating from hundreds of travelers.

Snorkel alongside wild sea turtles, then relax at Grote Knip, one of Curacao's prettiest beaches. Underwater photos are included.

A small-group day covering Curacao's best: colorful Willemstad, the island's countryside, beaches and lookouts.

Take the wheel of an off-road buggy on dirt trails around Willemstad, with a stop to cool off at the beach.

Aruba's most-reviewed tour: drive off-road along the rugged north coast to a hidden beach and a natural cave pool for a swim.

An easy bus tour to the classic sights, including the California Lighthouse, Casibari rock formations, the Alto Vista chapel and the north coast.

Sail along Aruba's calm west coast to snorkel at a shipwreck and coral reef, with lunch and drinks served on board.