Just an FYI...yesterday we went to Puerto Morelos, and the second we entered into the sea, we were attacked by sea lice (or tiny jellyfish). As soon as we got into the water, we started itching, and today we are covered in the whelps/rash that follows. Its a little early for this, but just wanted to let everyone know. Anyone who has had the misfortune of running into these guys, knows it is miserable!!! Happy swimming!