Just made reservations, then found out that my host keeps her AC at 78, and she says it's 77 there now, at 11 at night. I'm fine in the daytime, but I find it hard to sleep at more than 70. Are you guys all OK sleeping without AC or should I cancel? (I'll lose about $200.) Also, I was planning to snorkel, but am reading that some of you think the water is too cold in April. Thoughts?