Montauk Highway

Montauk Highway
Montauk Highway
	Map of eastern Long Island with the Montauk Highway in red (Section maintained as NY 900W backed in blue)
Route information
	Maintained by NYSDOT, Suffolk County DPW, and the villages of Patchogue and Southampton
Length	94.52 mi (152.12 km)
Component; highways	NY 27A from Amityville to Great River; CR 85 from Great River to Patchogue; CR 80 from Patchogue to Shinnecock Hills; NY 27 from Southampton to Montauk Point
Major junctions
West end	Merrick Road in Amityville
	NY 231 in Babylon; Robert Moses Causeway in West Islip; NY 111 in Islip; Heckscher State Parkway in Great River; NY 27 in Great River; CR 97 in Bayport; NY 112 in Patchogue; NY 24 / NY 27 in Hampton Bays; NY 114 in East Hampton
East end	Montauk Point State Park in Montauk
Location
Country	United States
State	New York
County	Suffolk
Highway system
	New York Highways; Interstate; US; State; Reference; Parkways;

Montauk Highway is an east–west road extending for 95 miles (153 km) across the southern shore of Long Island in Suffolk County, New York, in the United States. It extends from the Amityville/Copiague village/hamlet line in Amityville, where it continues as Merrick Road, to Montauk Point State Park at the very eastern end of Long Island in Montauk. The highway is known by several designations along its routing, primarily New York State Route 27A (NY 27A) from the county line to Oakdale and NY 27 east of Southampton. The portion of Montauk Highway between Oakdale and Southampton is mostly county-maintained as County Route 80 and County Route 85 (CR 80 and CR 85, respectively).

The highway was one of the original through highways of Long Island, initially extending from Jamaica in the New York City borough of Queens to Montauk Point. Within Queens, the road is now known as Merrick Boulevard, and for its entire run in Nassau County, the road is Merrick Road, with the Montauk Highway designation picking up in Amityville. The designations assigned to the road have also changed over time: Montauk Highway was the original route of NY 27 until most of it was superseded in purpose by Sunrise Highway, and for a brief time all of Montauk Highway west of Southampton was signed as NY 27A. It is still the southernmost through route on Long Island, although it has been realigned in several locations.

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