Best reefs in the Carribbean?

[Coralgurl]

We snorkeled in Belize in 2013 off Ambergris Caye. AMAZING - but it was my first time ever swimming in the ocean, so I have nothing to compare to, but we saw fish, turtles, sharks, sting rays and off the boat dock, a sea horse. Loads of life in the water there. Tons of coral both close to the surface and deep. You could actually just take a paddle boat to the reefs off the beach. Saw others doing this.

I'm heading to Mexico in February, will take my snorkel gear again (not sure on actually diving)....but that's just me.