The lighthouse stands about 30 feet back from the water’s edge on the extremity of the point, and is a square wooden tower with sloping sides, surmounted by a square wooden lantern, the whole painted white. It is 33 feet high from its base to the vane on the lantern.
The light is a fixed red light, elevated 38 feet above high water mark, and visible from seven miles from all points of approach by water. The illuminating apparatus is dioptric of the seventh order.
The tower was built by the department under the supervision of foreman carpenter McLellan and cost $676.04. <.blockquote>
John H. Finlay was appointed as first keeper of the Sambro Harbour Lighthouse on December 7, 1899.
In 1971, the lighthouse’s deteriorated lantern room was removed, and a watertight mount was installed atop the tower for the automated beacon.
Sambro Harbour is home to a Coast Guard Search and Rescue Unit and the cutter Sambro. The Coast Guard and Sambro Harbour were shown in the first episode of Swords: Life on the Line in 2009, after Captain Linda Greenlaw’s fishing vessel experience engine problems en route to the Grand Banks and had to be towed to Sambro Harbour for repairs.
In May 2016, the Canadian Coast Guard demolished the historic wooden lighthouse to make room for a similar, but larger modern lighthouse. "The type of light that's there, it's known in our circle as a salt shaker style," said Dan Pike, the regional superintendent of maritime and civil infrastructure with the Canadian Coast Guard for the Atlantic region. "The one that we're going to replace it with is slightly larger but basically the same shape. It'll actually look much better because the cupola, which is the cap on top of the structure which contains the light, will be reinstalled."
For years, residents had felt that their lighthouse needed some attention and had become somewhat of a disgrace. Most weren't disappointed to see their historic lighthouse destroyed as long as it was being replaced by a similar, modern lighthouse.