Treasure Cay, Bahamas, is an hour by plane east from Florida.  Several airlines fly from West Palm Beach, Fort Lauderdale, Orlando, and Miami directly to Treasure Cay Airport.
Here is a 3 1/2 mile semi-circular beach National Geographic names one of the best beaches in the world, which harbors clear turquoise water that is simply therapeutic to view much less to envelop you.  Her also is a beach villa which may speak your interest.
Nearby is a golf course, tennis courts, marina, library, medical center, car rentals, restaurants and shopping.  Also, boats and scuba gear are available for rent.  Fishing guides are available for deep-sea fishing and bone fishing.
Take a few days and visit sourounding islands of Green Turtle Cay, Elbow Cay, Man-of-War cay and Guana Cay.