The Library is open for Sunday hours Mid-September through Mid-June.

Sunday hours are from mid-September through mid-May only.

Sunday hours are from September through May only.

Sunday hours are from October through May only.

Sunday hours are from October through May only.

Sunday hours are from September through May only.

Sachem Public Library serves over 83000 district residents in an area that extends over three townships: Brookhaven, Islip, and Smithtown. Sachem Library cardholders are among the most active in the state with more than three quarters of a million items circulating each year. Sachem Library is governed by a Board consisting of five elected trustees. Each trustee serves a five-year term with one trustee position coming up for election each year.