A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on inland waterways.
The United States Lighthouse Society is a nonprofit historical and educational organization dedicated to saving and sharing the rich maritime legacy of American lighthouses and supporting lighthouse preservation throughout the nation.
Lighthouse, structure, usually with a tower, built onshore or on the seabed to serve as an aid to maritime coastal navigation, warning mariners of hazards, establishing their position, and guiding them to their destinations.
Enjoy this handy guide featuring 14 of our favorite lighthouses in the U.S. Want even more great lighthouses? Check out this guide showcasing lighthouses from the Great Lakes to the Gulf Coast. Stay connected with us via email. Sign up today.
Lighthouses are built from wood, stone, brick, reinforced concrete, iron, steel, or aluminum. They are designed to withstand local environmental conditions. For example, tall skeletal lighthouses located in the Caribbean offer less surface area to hurricane-force winds and waves.
What is a lighthouse? A lighthouse is loosely defined as a tower or other structure used to display a light for the guidance of ships to either avoid a dangerous area (shoals, etc.) or to identify a safe harbor.
New York State happens to have a unique collection of historic lighthouses. You’ll find lighthouses along the ocean, lakes, in the middle of rivers, and in state parks—and many have become tourist destinations. Here are 15 beacons across the state to light up your travels! Updated: 7/16/25.