It’s your day! Come celebrate with your children at the Cold Spring Harbor Fish Hatchery & Aquarium! Free admission for Dads when accompanied by their children.

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Come meet our baby turtles during their first outdoor adventure! Professional staff will be on hand to answer questions about the few days old turtles. Enjoy refreshments and turtle themed activities.

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Sprinklers! Bubbles! Lawn Games! Outdoor Activities!

Kid’s Fishing · Petting Zoo · Pumpkin Patch · Environmental Exhibitors · Castle Bouncer · Music · Games · Live Animal Encounters · Food Fun for the whole family! Admission: $6 Adult, $4 Child/Senior, Members Free Rain Date: October 14

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Calling all ghosts and goblins, spiders and bones…. Families are welcome to join us for a not-so-scary Haunted Hatchery. Receive a sweet treat as you trick-or-treat your way through the Hatchery & Aquarium. Refreshments • Games & Fun • Halloween Crafts

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Watch the Hatchery staff as they fertilize eggs for the Hatch House.

Free admission to the Cold Spring Harbor Fish Hatchery & Aquarium when you show your military ID.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

Witness the centuries old process of egg taking and fertilization.

The Hatchery will be closed on November 23, 2017.

Santa Claus will light the Hatchery’s Christmas Tree at 5:30pm. Free admission after 5pm. Suggested donation of $10 per family. Cookies ~ Tea ~ Hot Chocolate

The Hatchery will be closed on December 25, 2017.

Learn how we care for the fish in our trout hatchery.

Learn how we care for the fish in our trout hatchery.

Watch the trout jump and splash as they devour a special diet of fish food.

Learn about the Hatchery's reptiles and amphibians.

Watch the trout jump and splash as they devour a special diet of fish food.

Make your very own homemade playdough. Use the Hatchery's animals as your inspiration and get creative!

Make your very own homemade playdough. Use the Hatchery's animals as your inspiration and get creative!

Make your very own homemade playdough. Use the Hatchery's animals as your inspiration and get creative!

Learn how we care for the fish in our trout hatchery.

Watch the trout jump and splash as they devour a special diet of fish food.

Learn about the Hatchery's reptiles and amphibians.

Watch the trout jump and splash as they devour a special diet of fish food.

Watch the trout jump and splash as they devour a special diet of fish food.

Who is making that strange footprint in your backyard? Learn to identify animal tracks and make your very own track to take home.

Start the year off right! Come learn about Long island winter habitats and end your visit with a guided nature hike. Hikes are family friendly. Be sure to dress weather appropriate. Comfortable hiking shoes are recommended. Must be abe to hike a moderate nature trail for approximately 1/2 mile. Pre-registration required. Limited spaces available. Call to register (516) 692-6768.

Join us as we celebrate the birth of our baby trout! Professional staff will be available to answer questions about the baby fish. Enjoy refreshments and birthday cake!

Join us as we celebrate the birth of our baby trout! Professional staff will be available to answer questions about the baby fish. Enjoy refreshments and birthday cake!

Come celebrate the birthday of Scouting in America. In honor of Boy Scout Day, all cub scouts and boy scouts wearing their scouting uniform will receive a free Hatchery & Aquarium tour with paid admission.

Stay warm inside while making your own snow that won’t melt!

Make your own tasty ice cream treat. Be sure to bring warm gloves!

Make your own tasty ice cream treat. Be sure to bring warm gloves!

Make your own tasty ice cream treat. Be sure to bring warm gloves!

Slime is a sticky, slippery substance used by many animals to help them survive. Come make your own gooey slime and learn why it is important to animals.

Slime is a sticky, slippery substance used by many animals to help them survive. Come make your own gooey slime and learn why it is important to animals.

Slime is a sticky, slippery substance used by many animals to help them survive. Come make your own gooey slime and learn why it is important to animals.

Slime is a sticky, slippery substance used by many animals to help them survive. Come make your own gooey slime and learn why it is important to animals.

Slime is a sticky, slippery substance used by many animals to help them survive. Come make your own gooey slime and learn why it is important to animals.

Come celebrate the birthday of Girl Scouts in America. In honor of Girl Scout Day, all girl scouts wearing their scouting uniform will receive a free Hatchery & Aquarium tour with paid admission.

The Hatchery will be closed on March 23, 2018 for professional development while the staff attends the Long Island Natural History Conference.

Learn how we care for the fish in our trout hatchery.

Learn how we care for the fish in our trout hatchery.

Watch the trout jump and splash as they devour a special diet of fish food.

Learn about the Hatchery's reptiles and amphibians.

Learn which birds can be found in your backyard as you hunt around the Hatchery looking for our feathered visitors. Make a bird feeder and create a bird's nest.

Ages 0-6. Tot garden for ages 0-2. Limited tickets will be sold. Last admission at 10:30am. Parking fills up fast. Please carpool.

Learn about nature's true gardeners with an up close look at earthworms and how bees pollinate plants. Find out which seeds are edible and take some home to plant in your backyard.

Who is making that strange footprint in your backyard? Learn to identify animal tracks and make your very own track to take home.

Who is making that strange footprint in your backyard? Learn to identify animal tracks and make your very own track to take home.

Rain date: 4/5 Kid's Fishing Food Music Petting Zoo Castle Bouncer Games Environmental Exhibitors Live Animal Encounters

Free admission for Moms when accompanied by their children.

Live exotic reptiles and amphibians presented by the Long Island Herpetological Society. The Hatchery & Aquarium's own New York State native reptiles and amphibians will be on display. https://www.facebook.com/LIHS.org/

Free admission for Dads when accompanied by their children.

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Come meet our baby turtles during their first outdoor adventure! Professional staff will be on hand to answer questions about the few days old turtles. Enjoy refreshments and turtle themed activities.

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Sprinklers! Bubbles! Lawn Games! Activities!

Rain Date: 10/6/18 Kid's Fishing Petting Zoo Pumpkin Patch Environmental Exhibitors Castle Bouncer Music Games Live Animal Encounters Food

Witness the centuries old process of egg taking and fertilization. October 20, 21, 27* & 28 November 3, 4, 10 & 11 Demonstrations at 1pm & 3pm *There will be no 3pm demonstration on 10/27. Watch Hatchery staff as they fertilize eggs for the Hatch House on November 6, 2018.

Witness the centuries old process of egg taking and fertilization. October 20, 21, 27* & 28 November 3, 4, 10 & 11 Demonstrations at 1pm & 3pm *There will be no 3pm demonstration on 10/27. Watch Hatchery staff as they fertilize eggs for the Hatch House on November 6, 2018.

Witness the centuries old process of egg taking and fertilization. October 20, 21, 27* & 28 November 3, 4, 10 & 11 Demonstrations at 1pm & 3pm *There will be no 3pm demonstration on 10/27. Watch Hatchery staff as they fertilize eggs for the Hatch House on November 6, 2018.

Witness the centuries old process of egg taking and fertilization. October 20, 21, 27* & 28 November 3, 4, 10 & 11 Demonstrations at 1pm & 3pm *There will be no 3pm demonstration on 10/27. Watch Hatchery staff as they fertilize eggs for the Hatch House on November 6, 2018.

Witness the centuries old process of egg taking and fertilization. October 20, 21, 27* & 28 November 3, 4, 10 & 11 Demonstrations at 1pm & 3pm *There will be no 3pm demonstration on 10/27. Watch Hatchery staff as they fertilize eggs for the Hatch House on November 6, 2018.

Witness the centuries old process of egg taking and fertilization. October 20, 21, 27* & 28 November 3, 4, 10 & 11 Demonstrations at 1pm & 3pm *There will be no 3pm demonstration on 10/27. Watch Hatchery staff as they fertilize eggs for the Hatch House on November 6, 2018.

Calling all ghosts and goblins, spiders and bones…. Families are welcome to join us for a not-so-scary Haunted Hatchery. Receive a sweet treat as you trick-or-treat your way through the Hatchery & Aquarium. Refreshments • Games & Fun • Halloween Crafts