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FACT SHEET-Lake Montauk Harbor, New York - Federal Navigation Channel

Maintenance of Infrastructure and Stewardship

Published Jan. 22, 2013

AUTHORIZATION:  Rivers and Harbors Act of 1945 (P.L. 79-14).

DESCRIPTION:  The asset consists of a navigation channel, 12 ft. deep at mean low water (MLW), 150 ft. wide, extending from 12 ft. contour in Block Island Sound to the same depth in the existing boat basin east of Star Island; a boat basin 10 ft. deep, 400 ft. wide and 900 ft. long, located northwest of Star Island; repair and extension shoreward of the east and west jetties; and addition of sports fishing facilities on the top of both jetties.  Length of about 0.7 miles.  

COMMERCE:  This asset serves as a Critical Harbor of Refuge during severe storms.  The U.S. Coast Guard Station Montauk is located in this harbor, and this harbor is also port to an extensive commercial fishing fleet that brings in an annual average of 6,000 tons of fish.   BACKGROUND:  The channel was last maintenance dredged by the U.S. Army Corps of Engineers (USACE) in Fiscal Year (FY) 2015, when approximately 20,000 cubic yards (CYs) of sand was removed and beneficially used along the adjacent shoreline west of the west jetty.  

STATUS:  This navigation asset is currently in the preliminary engineering and design phase, which means initiation of plans & specifications.  Production of an annual hydrographic survey of the channel, and publication of a controlling depth report on the District’s website, is also scheduled for FY2018.  



Alexander F. Gregory, Project Manager,

 (917) 790-8427


U.S. Army Corps of Engineers, New York District       

26 Federal Plaza            

New York, NY 10278   

District Area: NY #1


Current as of February 2018

Release no.