1.  --Puerto Costa Maya: In-and-Out-a Mayan Resort. 

Synopsis: Swim with dolphins, watch a pre-Columbian ritual or venture out to snorkel, or ride to Mayan ruins or Bacalar Lagoon.

2.  --Cozumel: The Big Island, and the Majesty of Chichen Itza.

Synopsis: Multifaceted Cozumel is engaging; Chichen Itza is utterly captivating. 

3.  --Key West and the Yucatan: It Was All Once Spanish.

Synopsis: In the beginning there were Amerindians, then history changed.