Belize District - The Coast!
X'tan Ha Resort, Ambergris Caye
Hol Chan Marine Reserve - Belize's barrier reef is one of the largest in the world. There's a very touristy spot in Hol Chan where you can swim with easy-going sting rays and nurse sharks.
Blue Hole - Said to be "like swimming down a mine shaft" that is filled with stalagmites! Wow!
Cayo District - The Rain Forest!
Chaa Creek Resort, San Ignacio. Medicine Trial Rain Forest hike, learn how the Maya used the plants in the jungle! Nighttime hikes through the jungle! Canoe trips to the weekly market! Tour Mayan Temples! Swim into Actun Tunichil Muknal cave, a Mayan ceremonial cave, and see the sparkling skeleton of "Crystal Maiden!"
Francis Ford Coppola's resort, Blancaneaux, in San Ignacio. The most beautiful, romantic, and heavenly setting; I just wanted to be there!
Caves Branch Jungle Lodge! Beautiful resort in the forest with extreme adventures!!!!!! "Leave the lodge with only a machete and your bushman guide...Build your own shelter and hunt for food!" Wow!
ETC.
June - November is hurricane season.