The Turtle Hospital

The Turtle Hospital in Marathon is a licensed veterinary facility that rescues, treats and releases injured sea turtles, and it opens its doors for guided educational tours that fund the work. It occupies a former motel on the bay side of the Overseas Highway, and the transformation is part of the charm: patients recover in large saltwater tanks and tidal pools where guests might expect swimming pools, while an operating room and treatment areas fill the old rooms. The founder began taking in injured turtles in the 1980s, and the facility has treated thousands since. Many cases involve boat strikes, fishing line entanglement or fibropapillomatosis, a disease that causes tumors and is a growing problem in warm coastal waters.

A tour begins with a short talk and a look at the turtles in the recovery tanks, which hold a mix of species including green, loggerhead, hawksbill and Kemp's ridley turtles. Guides explain each patient's story, how turtles are examined, treated and rehabilitated and what the hospital does to prepare them for release. The animals have names and personalities, and some residents cannot return to the wild because of permanent injuries.

Visitors learn about the threats that sea turtles face, from plastic pollution to coastal development, and about simple habits that help, such as using less single-use plastic and keeping beaches dark during nesting season.Tours are small and scheduled, and they sell out, so reserve in advance, especially in winter and during school holidays.

The experience lasts about an hour and is held mostly outdoors, so wear sun protection, comfortable shoes and bring water. The hospital operates as a nonprofit, and your ticket supports its veterinary work, so plan to spend a little on the gift shop or a donation if you wish to give more. Releases of rehabilitated turtles happen from time to time, and visitors occasionally have the chance to attend; ask the staff whether any are planned.

Photography is generally allowed in the tour areas, but follow the guide's rules to avoid stressing the animals.Families with children will find the visit engaging and educational, and many travelers say it is the most meaningful thing they did in the Keys.

It also suits visitors who want a conservation-minded alternative to marine mammal shows. Combine it with the Dolphin Research Center on Grassy Key, Crane Point Museum and Nature Center and a snorkel trip to Sombrero Reef for a full Marathon day built around marine life. As in all sanctuary work, hours, tour times and fees change, so confirm details with the hospital before you drive.

The hospital is at about mile marker 48. 5, close to the Seven Mile Bridge, which makes it an easy stop between the Upper Keys and the Lower Keys. Parking is on site, and the property is small, so arrive a little early for your tour slot and allow time for the gift shop.

Practical details help the visit run smoothly. The tour area has limited shade, so a brimmed hat is useful in summer, and the tanks can be wet and slippery, so closed shoes are wise. Strollers are manageable on the level paths but can be awkward in the tour rooms, so a carrier may be easier for babies. Children are asked to listen and stay behind barriers, and many guides invite questions at the end. Expect a short walk from parking to the entrance, and plan a quiet moment afterward to reflect on what you learned.