Travel: Tight Little Islands

Anyone heading south just now had better forget his dinner jacket and pack a pup tent instead. With hotels throughout the Caribbean booked solid and Florida enjoying its best weather in 16 years, finding a place in the sun is less of a social whirl than a survival course.

Last week Bluebeard's Castle hotel in St. Thomas moved its employees out of their quarters into private homes to make room for overbooked guests. Bachelors staying at Antigua's Anchorage Hotel were invited to sleep aboard a sightseeing boat. One Miami rental office hung out the sign, "Why sleep in your car?...