Beaufort Sea Beaufort Sea The Beaufort Sea () is a marginal sea of the Arctic Ocean, located north of the Northwest Territories, the Yukon, and Alaska, and west of Canada's Arctic islands. The sea is named after Sir Francis Beaufort, a hydrographer. The Mackenzie River, the longest in Canada, empties into the Canadian part of the Beaufort Sea west of Tuktoyaktuk, which is one of the few permanent settlements on the sea shores. The sea, characterized by severe climate, is frozen over most of the year. Historically, only a narrow pass up to opened in August–September near its shores, but recently due
Beaufort, South Carolina on the National Register of Historic Places. Beaufort is located at (32.431853, -80.689515). The majority of the city is situated upon Port Royal Island, an interior Sea Island that the city shares with neighboring Port Royal and unincorporated portions of Beaufort County. The city has also annexed lands across the Beaufort River on Lady's Island. The city is amid a marshy estuary, and according to the United States Census Bureau has a total area of , of which is land and , or 17.80%, is water. Remnants of the original English colonial settlement of Beaufort can be found in the