 north haven is a village in suffolk county, new york, united states. the population was 833 at the 2010 census. it is located in the town of southampton, with its administrative office located in the village of sag harbor.village of north haven (official site) ==geography== north haven is located at  (41.020187, -72.312328).{{cite web|url=http://www.census.gov/geo/www/gazetteer/gazette.
Populated_coastal_places_in_New_York Southampton_(town),_New_York Villages_in_New_York Villages_in_Suffolk_County,_New_York