Preserves and exhibits the history of Alexander Graham Bell and the development of the telephone. Exhibits include a re-creation of Alexander Graham Bell's workshop, the wire used in the first telephone transmission and models of early telephones.

Preserves and exhibits local history and presents programs on the local history of Lindenhurst. Tours are available. Call for additional information.

Preserves and exhibits local history and presents programs on local history of Farmingville. Call or e-mail for time and location of meeting.

Preserves and exhibits local history and presents programs on local history of Miller Place and Mt. Sinai.

Preserves and exhibits local history and presents programs on local history of Northport and surrounding areas.

Preserves and exhibits local history and presents programs on local history of Moriches Bay. Maintains the 1750 Havens Estate, including the Tuttle Barn which houses a museum and the thrift store, Haven's Gift Shop and Clothing Boutique. Meetings are held the 2nd Wednesday of each month. Call for more information.HAVEN'S GIFT SHOP AND CLOTHING BOUTIQUE CLOSED UNTIL FURTHER NOTICE.

Promotes interest in, and preservation of, the history of Smithtown and immediate surrounding areas.

Displays railroad memorabilia and artifacts including a telegraph system. Also has a caboose on display.

Exhibits a 1858 one room schoolhouse which has been restored to its original working condition. Visitation by appointment only.

Preserves and exhibits local history and presents programs on local history of Greenlawn and Centerport

Preserves the history of the 14th Regiment New York State Militia and the American Civil War. Living history presentations are done at schools, historical societies, museums, parades and other events. Sets up a camp that resembles one from the Civil War, does drill and firing exhibitions and runs through a brief drill using wooden muskets. Restores grave sites of the Veterans of the 14th Regiment N.Y.S.M. All presentations are given in full civil war uniform.

Preserves and exhibits local history and presents programs on local history of North Great River. Call to set up appointments. The Society also prints a Quarterly Newsletter.

Preserves and exhibits local history and presents programs on local history of Hampton Bays.

Exhibits local history and presents programs on local history of Amagansett from the Colonial period through the 20th century. Consists of Miss Amelie Cottage Museum and the Roy K. Lester Carriage Museum exhibiting locally made 28 horse-drawn carriages. Call for schedule and fees.

Collects, catalogs, and preserves historical record of the unincorporated areas of the town, serves as chairman of the Town of Babylon Historic Preservation Commission, assists town employees and the general public in researching historical questions concerning the Town of Babylon.

Preserves and exhibits local history and presents programs on local history of East Islip. Meetings are the first Wednesday of the month (except for January and February, July and August). Call for location and additional information.

Compiles detailed historical information regarding the town through research and interviews. Provides information to local media, organizations, institutions and residents on historical aspects of the town and its citizens.

Preserves and exhibits the local history of Bay Shore. Offers tours of the Gibson-Mack-Holt House, historical exhibits, educational programs. bus tours of Bay Shore, and a reference library. Call or check website for more information.

Offers anyone within the Community a chance to explore local history through education. Offers programs funded in part by public funds from New York State Council on the Arts and the Suffolk County Office of Cultural Affairs.

Collects, preserves, presents and interprets the material, cultural, and economic heritage of the town and its surroundings. The Society is also the parent company for a complex of five museums, national landmark historic sites and workshop facilities of both local and national importance. Also interprets social and natural history of the area through exhibits, living history programs, publications, tours, lectures and workshops.

Exhibits a 1858 one room schoolhouse which has been restored to its original working condition. Visitation by appointment only.

Preserves and exhibits the history of railroading, specializing in Long Island's significant contribution to railroad history.

Museum Complex contains several buildings displaying early American artifacts and activities, the Blacksmith Shop, Milk House, Boat House and others. Offers guided tours to schools and organizations. Museum Shop/Exchange Shop also on premises. Call for fees and to schedule a tour.

Preserves and exhibits local history and presents programs on local history of Mattituck. Maintains five building on the site including two houses (1799) and (1841), a school house (1846), milk house (circa 1850), and a farm outbuilding with 19th century farm implements and machine on display. Permanent exhibit includes Indian artifacts recovered in Mattituck and a collection of 19th century quilts.

Preserves and exhibits local history and presents programs on local history of Port Jefferson.