23 Relaxing Things To Do In Beautiful Marathon, FL -- Take in all the exciting (and relaxing) things to do in Marathon, FL. In fact, it's been called the boating and family destination of the Florida Keys! Just about 50 miles to the north of Key West, Marathon, Florida is home to dreamy beaches and resorts, exciting animal excursions, one of the most colorful sections of the Florida Reef, and several divine restaurants. Here are 20+ ways to vacation in Marathon! #FloridaKeys#Marathon…