Coco Plum Marathon Florida Per Brenda Alexander, Broker/Associate at Remax and owner of KeysIslandSales.com in Marathon Florida," Coco Plum Marathon Florida is located in the Middle Keys, just north of Marathon and to the south east of Fat Deer Key. This is a small community and home to the Coco Plum Beach and Tennis Club and Marina. Here, vacation rentals are quite popular, as are the many recreational activities. Of course, sightseeing and sunsets and sunrises are equally spectacular. Read on to learn more about Coco Plum in Marathon, Florida. Coco Plum Marathon Florida Coco Plum lies to the south of Curry Hammock State Park and to the north of the Florida Keys Aquarium Encounters, as well as the Florida Keys / Marathon International Airport. Accessible from the Overseas Highway, it’s in the Middle Keys, meaning it’s about two and half hours from Miami or the mainland peninsula. (It’s also approximately about an hour and fifteen minutes from Key West.) What su