Turks and Caicos
Photos: istockphoto
Far

Turks and Caicos

Supernaturally blue waters surround these islands just past the Bahamas.
To do Help catch, tag, and release endangered green turtles with the resort’s naturalist at Amanyara.
Flight 3 hours, from $551

 

Ixtapa/Zihuatanejo
Farther

Ixtapa/Zihuatanejo

Tim Robbins pined for this Mexican fishing region in The Shawshank Redemption.
To do Pair drama with romance at Capella Ixtapa, a resort with open-air suites and private plunge pools overlooking the Pacific.
Flight 4.75 hours, from $510

 

St. Lucia
Farthest

St. Lucia

With its green rainforests, silver beaches, and famed volcanic peaks, this spot hits the geography trifecta.
To do The new school Dive Saint Lucia will get you scuba certified in two days and snapping underwater selfies with barrel sponges in three.
Flight 5.5 hours, from $601

NOTE All fares are round-trip on United Airlines in December.