8 am – 9 pm Vicki Peterson and John Cowsill to Perform at Long Island Music and Entertainment Hall of Fame Ages: AllMusic The Long Island Music and Entertainment Hall of Fame and MuseumStony Brook
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 – 4 pm HARRY POTTER SCAVENGER HUNT & CRAFT Ages: 5 and upArt Attractions The Whaling Museum & Education CenterCold Spring Harbor
11 am – 1 pm Build-A-Boat Ages: AllArt Boating The Whaling Museum & Education CenterCold Spring Harbor
11 am – 4 pm Harry Potter Scavenger Hunt & Craft Ages: AllAttractions Games The Whaling Museum & Education CenterCold Spring Harbor
4 – 10 pm Long Island Retro Gaming Expo Ages: AllAttractions Festivals Cradle of Aviation MuseumGarden City
5 – 9:30 pm Alive on 25 Street Festival with Fireworks Ages: AllAttractions Community Alive on 25Riverhead
6 – 11 pm Annual Family Festival Ages: AllAttractions Festivals Holy Family Church- HicksvilleHicksville
AMNY Francisco Lindor injury: Mets star shortstop day-to-day diagnosis after lower-back MRI ‘the best news’
Brooklyn Paper Thousands race through Bay Ridge during annual Christopher Hoban Memorial Run honoring fallen NYPD officer