
easy
7 hours
Suitable for travelers with average fitness; minimal physical exertion required with light walking at stops.
Cruise the iconic Overseas Highway from Key West to Marathon, encountering endangered Key deer, historic bridges, and hands-on aquarium experiences in a full-day guided tour designed for intimate groups and immersive exploration.
Starting in the vivid streets of Key West, your day unfolds along US Highway 1—known simply as the Overseas Highway—an engineering marvel that stitches together a chain of emerald isles into a driven adventure. This full-day tour stretches roughly 70 miles northward to Marathon, threading through seascapes where turquoise waters challenge the horizon and mangroves lean toward passing travelers like old friends waving you onward.

You'll explore aquarium exhibits and sanctuary trails, so sturdy shoes will keep you comfortable during the day.
Florida’s subtropical sun can be intense; carry water and apply sunscreen frequently throughout the tour.
If opting for aquatic experiences, pack a swimsuit and towel to make the most of these hands-on moments.
Groups are capped at 12, but private tours are available by request—reserve early to customize your experience.
The Overseas Highway is built on the remains of the Florida East Coast Railway destroyed by the 1935 hurricane, symbolizing resilience and innovation.
The National Key Deer Refuge protects endangered species and fragile habitats, emphasizing sustainable tourism to minimize human impact.
Necessary for comfortable movement through aquarium and refuge pathways.
summer specific
Protects skin from strong Florida sun exposure during outdoor stops and highway travel.
all specific
Stay hydrated throughout the day, especially under the subtropical sun.
all specific
Bring these if you plan to take part in optional swimming or stingray encounters at the aquarium.
summer specific