Circumnavigating Antigua by boat unveils a coastline of striking contrasts — powdery white-sand coves giving way to sheer limestone cliffs that tumble into turquoise seas. Sailors glide alongside graceful stingrays, slip onto hidden beaches kissed only by the tide and snorkel amid coral gardens just off shore.

Historically known as Spalato, Split is the sparkling heart of Dalmatia and the busiest port along the Croatian coast. It’s alsoo an irresistible launchpad for island-hopping adventures. You can slip away to postcard-perfect spots: the luminous Blue Cave, the wild beauty of Stiniva Cove, the peaceful beaches of Budikovac and the vibrant island of Hvar — each a short boat ride from Split’s harbor and each offering its own slice of Adriatic magic.

Busting with idyllic beaches, parrot sanctuaries and wild zip lines, Sint Maarten is a Dutch territory and country of the Kingdom of the Netherlands. Part of the Leeward Islands in the Caribbean Sea, this little island is also home to Saint Martin in the north.

An island off the eastern coast of Puerto Rico, Vieques is a land of untouched beaches, roaming wild horses and spark-filled Bioluminescent Bay.