Thacher Island at Sunrise | Rockport, Massachusetts

4,190 views · Published 8 August 2010 · 2:56 · Indexed 8 November 2026

Channel: Nashua Video Tours | Real Estate Media for MA, NH · 2010 · Travel & Events

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The island encompasses about 50 acres , and is the only operating Twin lighthouses in America 

Is one of only seven twin and one triple light all on the Atlantic Coast 

Is the eleventh and last lighthouse built under British rule in 1771. 

Is the original First Order Fresnel lens from the south tower is on display at the U.S. Coast Guard Academy in Groton Ct. 

Was the first lighthouse to mark a "dangerous spot" along the coast, all previous lights were built to only mark harbor entrances.

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