Halloween at the Hatchery - Cold Spring Fish Hatchery and Aquarium Date: 10/27/12 through 10/31/12 Hours: 10am-5pm Ages: All Price: $6, $4 children, free 2 and under Address: 1660 Route 25A - 516-692-6768 Cold Spring Harbor, NY 11724 CSHFHA.org Description: THIS EVENT FOR OCT. 31 HAS BEEN CANCELED. Hatchery visitors wearing a costume will receive one free mini fish food container.