One of the Leeward Islands of the West Indies, this southern Caribbean isle has the right mix of posh (famous fans include Giorgio Armani, Eric Clapton, Richard Branson, and Oprah Winfrey), relaxed (it’s home to endless strands of sands), and authentic Caribbean flavor. Ships dock in St. John’s, Antigua’s capital city that’s robust with local shops and historic sites, including a cathedral whose third incarnation was built in 1845 after earthquakes destroyed the first two.