Spring Festival at the Cold Spring Harbor Fish Hatchery Dates: April 28, 2018 Location: Cold Spring Harbor Fish Hatchery & Aquarium Address: 1660 Rte 25A, Cold Spring Harbor, NY 11724 Phone: (516) 692-6768 Time: 10:00 AM to 4:30 PM Price: $6 Adults $4 Children/Seniors Members Free Visit Site Details Kid’s Fishing: Fishing for ages 12 & under. Coaches welcome! Keep your catch. Stocked with hungry trout! Petting Zoo, Castle Bouncer; Games; Environmental Exhibitors; Food; Live Animal Encounters; Music.