Photo by Chris Garcia / Greater Miami Convention and Visitors Bureau Crandon Park 6747 Crandon Blvd., Key Biscayne 305-361-5421 Crandon Park Beach boasts some of the clearest waters Miami has to offer, thanks in part to a strict ban on floatation devices and its offshore sandbar — itself an idyllic place to bask like the Floridian lizard you are at heart. Not to worry though, there’s plenty else to keep the whole family entertained, including unique eco-adventure experiences, picnic and cookout areas, and concession stands. If the sun becomes too much, head to the Family Amusement Cente...