1 – 4 pm Tour the Rocky Point Hallock Homestead Museum Free History & Culture Rocky Point Hallock Homestead MuseumRocky Point
2 – 3 pm Holiday Harmonies with the Elmont Vocal Jazz Ensemble Ages: AllChristmas Family Free Belmont Park VillageElmont
5 – 7 pm Patchogue-Medford Library 125th Anniversary Celebration Ages: AllCommunity Family Free Main Branch, Patchogue-Medford LibraryPatchogue
All day Port Jefferson Festival of Trees Ages: 5 – 8Family Free Holiday Port Jefferson Village CenterPort Jefferson
All day Central Park’s Bethesda Fountain Visits Heckscher Park Through Immersive AR Experience Art Free Heckscher Museum of ArtHuntington
9 am – 9 pm Rachelle Krieger Art Exhibit at The Adler Gallery Art Free Port Washington Public LibraryPort Washington
9:30 – 11 am Advent Season in the Orthodox Church (English Language Services) Christmas Community Holy Trinity Orthodox Church of East MeadowEast Meadow
9:30 – 10:30 am Advent & Christmas Services Christmas Free Farmingdale United Methodist ChurchFarmingdale
10 am – 6 pm Hicks Nurseries Pictures with Santa Ages: AllChristmas Family Free Hicks NurseriesWestbury
10 am – 5 pm Hofstra University Science and Engineering Festival of Long Island Ages: 5 and upFamily Festivals Free Hofstra University David S. Mack Sports and Exhibition ComplexHempstead
Various Santa Claus visit at Tanger Outlets Riverhead Ages: AllChristmas Community Family Tanger Outlets RiverheadRiverhead
Noon – 5 pm Emma Stebbins: Carving Out History at Heckscher Museum Free Heckscher Museum of ArtHuntington
Noon – 9 pm Meet Santa at the Tree Ages: AllChristmas Family Free Huntington Holiday SpectacularHuntington
3 – 4 pm Yvonnick Prené, Harmonica: Un Harmonica Pour Django Free Music Rogers Memorial LibrarySouthampton
All day Port Jefferson Festival of Trees Ages: 5 – 8Family Free Holiday Port Jefferson Village CenterPort Jefferson
All day Central Park’s Bethesda Fountain Visits Heckscher Park Through Immersive AR Experience Art Free Heckscher Museum of ArtHuntington
9 am – 9 pm Rachelle Krieger Art Exhibit at The Adler Gallery Art Free Port Washington Public LibraryPort Washington
10 – 11 am Philosophy with Susan Pashman Books & Readings Classes The Nathaniel Rogers HouseBridgehampton
Today, 10 am The Atelier at Flowerfield presents the Fifth Annual Middle and High School Student Artists Juried Show exhibiting February 12th through March 12th, 2026 The Atelier at Flowerfield
Today, 11:30 am “Through Our Eyes”: An exhibition featuring work by local artists from the LI State Veterans Home Adult Day Health Care Program at Stony Brook University The Long Island Museum
Today, 11:30 am The Long Island Museum Presents “Common Ground” — the 12th Annual LIMarts Members’ Exhibition Long Island Museum
Today, 2:30 pm Tumbling for Preschool & PreK, with Rachel Haab (ages 3-5yrs) Project Most Community Learning Center
Today, all day Central Park’s Bethesda Fountain Visits Heckscher Park Through Immersive AR Experience Heckscher Museum of Art
Dec. 20, 6 pm Cantabile Youth Chorus of the Hamptons Candlelight Christmas Concert Dormition of the Virgin Mary Cathedral
Jan. 25, 2026, noon Long Island Family Ultimate Camp Fair & Activity Expo – Cradle of Aviation Cradle of Aviation Museum