The Stonington Free Library is located at 20 High St. in Stonington Borough on the former site of the Wadawanuck Hotel. The library sits on Wadwanuck Square, a small park with benches and shady trees. The library is open to the public and residents of other towns may borrow library materials by bringing a library card from their town library. The Stonington Free Library offers a number of programs for adults and children throughout the year, including a lecture series.