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The New York State Department of Environmental Conservation has added a link to a translation service developed by Microsoft Inc., entitled Bing Translator, as a convenience to visitors to the DEC website who speak languages other than English.

Additional information can be found at DEC's Language Assistance Page.

Mashomack Preserve

Shelter Island, Suffolk Co.

Images of Mashomack Preserve: marshes,osprey landing on nest and coastal forest

watchable wildlife binoculars icon

From pristine shores, watch osprey dive for fish. Nearly 200 bird species, including
endangered piping plover and least tern, have been recorded.

Wildlife to Watch

Where to Watch

  • Beaches, fresh and saltwater marshes
  • Glacial kettle holes, tidal creeks and pools
  • Forests, scrub, fields

Recreational Opportunities

Visitor center with exhibits and interpretive programs

More than 20 miles of hiking trails, with overlooks and observation shelters, and one water trail


2,039 acres


See Google Maps and enter your address for step by step directions to Mashomack Preserve (This link will open a page outside of the DEC website, Hold Shift down while clicking on the link to open it in a new window)

Contact Information

Address: 47 South Ferry Road, Shelter Island, NY
Telephone: 631-749-1001
Website: The Nature Conservancy - Mashomack Preserve (This link leaves the DEC website)

Photo Credits: Ed Sambolin, The Nature Conservancy, Susan L. Shafer