Corwith House, 2368 Montauk Highway, Bridgehampton. Monday through Friday, 10 a.m.-3 p.m., Saturday by appointment. 537-1088, bhmuseum.org
Period rooms can be visited in a former Victorian-era boarding house. There are barns and an old jailhouse to explore as well.
151 and 149 Main Street, East Hampton. Saturday, 10 a.m.-5 p.m., Sunday, noon-5 p.m., through Sunday. 324-6850, easthamptonhistory.org
On view: “A Cavalcade of Dolls and Toys,” through Dec. 28. Free.
DAN FLAVIN ART INSTITUTE
Corwith Avenue, Bridgehampton. Thursday through Sunday, noon-6 p.m. 537-1476, diacenter.org
A permanent installation of nine works in fluorescent light by Dan Flavin. On view: “A Friendship: Carl Andre’s Works on Paper From the LeWitt Collection.”
EAST END CLASSIC BOAT
301 Bluff Road, Amagansett. Wednesday and Saturday, 9 a.m.-2 p.m., free. 324-2490, eecbs.org
Dedicated to preserving the skills of marine craftsmanship. Boats are on display, and visitors can watch the building and restoration of small, classic wood watercraft.
EAST HAMPTON TOWN
301 Bluff Road, Amagansett. Saturday, 10 a.m.-5 p.m., Sunday, noon-5 p.m., $4, $3 senior citizens, $2 students, members free. 324-6850
This East Hampton Historical Society museum tells the story of the East End’s maritime and shore-whaling history through artifacts, photographs, and displays. Indoor and outdoor play areas for children.
158 Main Street, East Hampton. Monday, Friday, and Saturday, 11 a.m.-5 p.m., Sunday, noon-5 p.m., $7. 324-0806, guildhall.org
On view: “Mary Ellen Bartley: Leaning Above the Page” and new additions to the collection, through Jan. 4.
Montauk Point. Tomorrow, 10:30 a.m.-4 p.m., Saturday, 10:30 a.m.-2 p.m. and 4:30 to 7 p.m., Sunday, 11 a.m.-4 p.m., $9, $8 over 62, $4 for children. 668-2544, montauklighthouse.com
Commissioned by George Washington in 1792 and completed in 1796, this landmark is the oldest lighthouse in New York and is still a navigational aid. The museum is open, and the structure is decorated with thousands of Christmas lights. Tower closed until Presidents Day weekend.
East Hampton Historical Society, 101 Main Street, East Hampton. Tuesday through Saturday, 10 a.m.-4 p.m., free. 324-6850, easthamptonhistory.org
Examples of textiles, pottery, and furniture document trends in home furnishings from the period immediately following the Revolutionary War. “At Home: Furniture by the Dominy Family, 1780-1840” is on view.
PARRISH ART MUSEUM
279 Montauk Highway, Water Mill. Wednesday through Monday, 10 a.m.-5 p.m., Fridays until 8 p.m., $10, $8 senior citizens, $5 members’ guests, free for students with ID and children under 18. Most evening programs are $10, free for members. 283-2118, parrishart.org
On view: Alan Shields and Steven and William Ladd, guided tour, Saturday, 2 p.m. Selections from the permanent collection, tours Sunday and Wednesday, 2 p.m. • Yoga and dharma session, tomorrow, 6 p.m., reservations suggested.
CULTURAL CENTER AND MUSEUM
100 Montauk Highway, Southampton. Thursday through Sunday, 11 a.m.-5 p.m., $8, $4.75 for children 5 to 12, $5.50 over 65. 287-4923, shinnecockmuseum.com
Exhibits include the history of Shinnecock and other East Coast woodland cultures.
SOUTH FORK NATURAL
377 Bridgehampton-Sag Harbor Turnpike, Bridgehampton. Daily, 10 a.m.-4 p.m., until 5 p.m. on Tuesdays, $7, $5 for children 3 to 12. 537-9735, sofo.org
Exhibits about the ecosystems of eastern Long Island, live specimens, marine touch tank, and classes for children. A short nature trail connects to the Long Pond Greenbelt preserve. • Marine mammals of the South Fork program, Saturday, 10 a.m. Winter woods walk, Saturday, 1 p.m. • Seal walk, Montauk, Sunday, 1 p.m.
25 Job’s Lane, Southampton. Friday through Sunday, noon-5:30 p.m. 283-0967, southamptoncenter.org
The former home of the Parrish Art Museum has been reinvented as an exhibit and event space with free films, installations, and activities. • On view: “Awkward Family Photos: The Exhibition,” through Jan. 4. • “Frozen” mini-show and reception with the actors, Sunday, 10 a.m., 12:30 p.m., and 2:30 p.m., $30 in advance.
SOUTHAMPTON HISTORICAL MUSEUM
Rogers Mansion, 17 Meeting House Lane, Southampton. Tuesday through Saturday, 11 a.m.-4 p.m., $4, free for members and children. 283-2494, southamptonhistoricalmuseum.org
There are 12 historic buildings on the Rogers Mansion site. Other holdings include the Pelletreau silver shop and the 1660 Thomas Halsey homestead. • On view: “Families and Their Four-Legged Friends,” paintings by Dinah Maxwell Smith, through Dec. 31.
300 West Main Street, Riverhead. Tuesday through Saturday, 12:30-4:30 p.m. 727-2881, suffolkcountyhistoricalsociety.org
Permanent exhibits representing regional furniture and crafts, whaling, early industries, transportation, and the Revolutionary and Civil Wars, as well as perio