key largo fl is part of the 106-mile-long chain of islands known as Florida Keys. When searching for a key largo vacation rental remember to also check out the world-class diving opportunities. Situated south of Miami and just over the Monroe County line, key largo was once the refuge of pirates. Now visitors from all over the world stay in the many key largo vacation home to visit the John Pennekamp State Park that is the first underwater preserve in the US. Home to more than 600 types of fish and 40 types of coral, not only can your snorkel but the park also offers guided walks, canoe trips and glass bottom boat tours. A little further south along the overseas highway from your home key largo rental vacation is the quiet hamlet of Tavernier. Once a favorite port of call for thirsty sailors, the town is home to a number of key largo rental homes of historical interest.