8 am – 5 pm Long Island Celtic Festival Ages: AllFestivals History & Culture Old Westbury GardensOld Westbury
11 am – 4 pm SeaGoing Crafts Ages: 3 – 12Art Craft & DIY The Whaling Museum & Education CenterCold Spring Harbor
11 am – 4 pm Pirate Quest Ages: 5 – 12Art Craft & DIY The Whaling Museum & Education CenterCold Spring Harbor
11 am – 1:30 pm Play & Connect: Saturday Gaming Club Ages: 13 and upGames Special Needs Valhallan Esports West HillsHuntington
11 am – 6 pm 2024 Seafood Festival Ages: AllFestivals Food & Drink Long Island Maritime MuseumWest Sayville
12:30 – 5 pm Confined Artists Exhibition – Free Spirits: Portraits and Insights from the 2020 Lockdown at LongHouse Reserve Ages: AllArt Expo LongHouse ReserveEast Hampton
1 – 11 pm Port Jefferson Greek Festival Ages: AllAttractions Festivals Greek Orthodox Church of the AssumptionPort Jefferson
3 – 5 pm 6 – 8 pm OFVS Presents Frozen Jr. Ages: AllCommunity Theater Children’s Museum of the East EndBridgehampton
4 – 11 pm The Feast of Mother Cabrini Ages: AllFestivals Free Suffolk County Community College Grant CampusBrentwood
6 – 10 pm Glow in the Park at The Adventure Park at Long Island Ages: AllHealth & Fitness Outdoors The Adventure Park at Long IslandWheatley Heights
Sept. 15, 2 pm Magic: the Gathering Deck Building for Teens and Tweens Brooklyn Public Library Central Branch
QNS The Shops at Skyview to host Moon Festival, celebrating Asian traditions in Flushing this Saturday