Amateur Observer's Society of New York
- Merrick
Created in order to bring together astronomy enthusiasts and people of all ages who enjoy sharing their fascination with anything related to astronomy.
www.aosny.org
Astronomical Society of Long Island (ASLI)
- Bellmore
Holding meet three times a month on Wednesdays at the New York Institute of Technology and once a month (near the new moon) at the Vanderbilt Planetarium for observing sessions.
www.asliclub.org
Custer Institute and Observatory
- Southold
Amateur astronomy education center located on The North Fork of Long Island.
www.custerobservatory.org