Lihue, Kauai's capital city, is also served by the island's only airport, making it the most popular port of entry to Kauai and a hub of industry on this small island. However, Lihue retains its island charm and emerald beauty despite its urbanization. Spend the day sunbathing and dipping into the temperate waters at Kalapaki Beach before enjoying a luau at Kilohana Plantation. Step out of town to witness breathtaking Wailua Falls cascading over tiered stone to a drop of 80 feet.

If watching the sunrise from atop a 10,000-foot volcano, swimming under waterfalls, hiking through craters and luxuriating on white-, red- and even black-sand beaches sounds like paradise, then Maui awaits. Maui is the place to surf and windsurf. Or hop a catamaran to scuba and snorkel on Molokini Island, a crater emerging from the sea that hosts a wealth of marine life. Golf, fine dining, a winery, museums and sipping a mai tai on the beach round out the perfect tropical holiday.

The relatively small island of Bora Bora is an activity giant, offering visitors the chance to experience a 4x4 safari, sunbathe and swim at white sandy beaches, dive in a natural underwater park among fish and corals, experience thrilling shark feedings, or circle the turquoise lagoon by boat. And Bora Bora is a superlative romantic spot. Fall captive to this lush gem of a Polynesian island by sharing an intimate midnight dinner on the beach; visiting the Lagoonarium, the Diving Centre, the Coral Gardens or the Leopard Rays Trench; or taking it all in from the lofty heights of 2,300-foot Mount Otemanu.

The charming island of Tahaa is scattered with small villages nestled along hillside bays. Known as the "vanilla island" because of its large-scale production of the fragrant bean, Tahaa is the ultimate in romantic escapism, tickling your nose as it tickles your fancy with gorgeous views, beautiful beaches and serendipitous lagoons.

Akumal means "Place of the Turtle" in the Mayan language, and if you snorkel here, you just might see one swimming alongside you. (Don’t touch it, though. That’s prohibited by law.) You’ll definitely see coral and beautiful fish in the clear, sparkling waters. This tourist-friendly little town is about an hour south of Cancun—but it seems light-years away.

It’s not just for spring-breakers. Cancun, with its golden beaches and perfect climate, is the premiere coastal destination in Mexico. And while there is certainly a 365-day party available for college students, resorts cater well to families and to those seeking solitude. This Yucatan paradise is also the gateway to the ruins of Tulum and Chichén Itzá.

One of the top diving destinations in the world for its bright storybook coral reefs, the island of Cozumel is also home to a variety of natural beaches. Choose a beach with soft white sand for relaxing, or snorkel off a rockier vista. A destination for both adventure and romance, Cozumel has a year-round Caribbean climate, untrammeled jungle and abundant nightlife.

Is there a better way to cap off a day of pristine reef diving and heart-pumping adventure sports than by sipping a sunset cocktail? Didn’t think so! From ziplining to deep sea fishing to exploring the military-protected archipelago of Cayos Cochinos, the Honduran island of Roatan is a playground for lovers of water sports and ecotourism. Landlubbers will flip for the Carambola Botanical Gardens, a tour of the Stone Castle Cameo Factory or exploring the beaches on horseback.

Stretching 126 miles south towards Cuba, the stunning Keys are a perfect escape. Highlights along the way include Key Largo, Islamorada, Marathon, Big Pine Key and the irrepressible Key West. Come face to face with an amazing array of fish while snorkelling, diving or fishing in the warm turquoise waters. Creeks, coral and costumed shows are other lures along the way. Highway 1 is a spectacular ribbon tying together the islands and atolls of this paradise between the Gulf of Mexico and the Atlantic.

The farther you go from Grand Cayman's busy docks, the more peace and quiet you'll find. At Stingray City (actually a sandbar), stingrays swim alongside you in the tranquil waters. Closer to town, travellers report finding some of the best massage and spa services anywhere in the Caribbean.