Get listed on Mommy Poppins. Add your business to our directory now. FIND AND BOOK ACTIVITIES Sign up for our free newsletters. Activity Guides Beaches & Lakes Best Of Lists Birthday Parties Boats Boredom Busters Camps Childcare Christmas/Hanukkah City Guides City Hacks Classes & Enrichment Community Crafts & Recipes Earth Kids Easter Fairs & Festivals Fall Activities Family Travel Farms & U-Pick Free Activities GoList Halloween Holidays Hotels & Resorts Indoor Activities Museums News & Openings Outdoors Parent Talk Parks & Playgrounds Play Gyms & Sports Centers Pools & Spray Parks Preschools & Schools Restaurants Shows Skiing & Winter Sports Special Needs Special Occasions Sports Spring Activities STEM Stores & Services Summer Activities Theme & Water Parks Trains, Dinos & Heroes TV, Film & Movies Virtual Visitors Guide Weekend Events Weekend Trips Winter Activities Zoos & Gardens Twitter Facebook LinkedIn Pin It WhatsApp Custer Observatory WEBSITE Map All Locations Close Map X List All Location Details Custer Observatory 631-765-2626 PO Box 1204, 1115 Main Bayview Road, Southold, NY 11971 East End Sag Harbor Long Island Museums Family Fun Reviews Leave a review
