Lighthouse Tours

Islamorada Lighthouse Cruise — Alligator Reef Light

Rising 136 feet above the Atlantic, the Alligator Reef Lighthouse is one of the most iconic landmarks in the Florida Keys — and one of the most photographed. Seeing it from the water on a private charter is an experience that belongs on every Keys visitor's bucket list.

About the Alligator Reef Lighthouse

The Alligator Reef Light was first lit in 1873 and stands approximately 4 miles off the coast of Islamorada, near the Matecumbe Keys. Named after the USS Alligator — a Navy schooner that ran aground on the reef in 1822 — the lighthouse has guided mariners through these waters for over 150 years.

The structure is a 136-foot iron skeleton tower that sits on a platform above the reef, visible for miles in every direction. It was added to the National Register of Historic Places in 2011 and remains one of the most recognizable structures in the Florida Keys.

The waters surrounding the lighthouse are crystal-clear Atlantic — deep blue turning to turquoise over the shallow reef. It's one of the most stunning spots in the entire island chain.

What the Lighthouse Cruise Looks Like

Your private charter departs from IslaMarina and heads south toward the Atlantic. The ride to the lighthouse takes about 20–30 minutes depending on conditions — and the ride itself is half the experience, passing through the beautiful waters between Islamorada and the reef line.

At the lighthouse, your captain will circle the structure so everyone on board gets the perfect photo angle. On calm days, you can anchor nearby, swim in the deep blue water, and take in the views from a perspective most visitors never see.

Which Charter Works Best for the Lighthouse?

Since the lighthouse is about 20–30 minutes from the marina, we recommend at least a half-day charter to give you time for the cruise, photos, and a sandbar stop on the return:

A Piece of Florida Keys History

The Alligator Reef Lighthouse is part of a chain of reef lights that stretches from Key Biscayne to Key West. These iron sentinels were built in the mid-1800s to protect ships from the deadly reef line that runs parallel to the Keys. Today, most are decommissioned — but they remain as striking monuments to the maritime heritage of South Florida.

Cruising to Alligator Reef Light on a private charter isn't just a photo op — it's a connection to over 150 years of Keys history, experienced from the same waters that have carried sailors, fishermen, and adventurers for centuries.