Shelter Island may refer to:
Places Shelter Island (Alaska), an island in the Alexander Archipelago, Alaska Shelter Island, Montana, an island in Flathead Lake, Montana Shelter Island (Hong Kong), an island in Port Shelter, Hong Kong Shelter Island (Western Australia), an island in Western Australia Shelter Island, New York, a town in Suffolk County, New York Shelter Island (CDP), New York, a hamlet and census-designated place in the above town Shelter Island Heights, New York, a hamlet and census-designated place in the above town Shelter Island Sound, a sound in Suffolk County, New York, surrounding Shelter Island Shelter Island (Fourth Lake), an island in Herkimer County, New York Shelter Island, San Diego, a neighbourhood of Point Loma in San Diego, California Shelter Island meteorite, Mars
Other "Shelter Island" (How I Met Your Mother), a 2008 TV episode Shelter Island, a 2003 American film starring Ally Sheedy. Currently distributed by Showcase Entertainment. Shelter Island Conference, a 1947 conference in Shelter Island, New York, concerning quantum mechanics Shelter Island Sound (recording studio), a recording studio founded by Steve Addabbo in New York City