Discounted Tickets In addition to our free Museum Passes, we sell discounted tickets to local attractions! Tickets $27.50 Each This is a General Admission ticket. Tickets expire at the end of the year. Children 2 & Under are FREE. Buy at Circulation Desk. Tickets $23.00 Each Includes one admission to the aquarium, aviary and butterfly exhibits. Tickets do not expire. Children 2 & Under are FREE.Buy at Circulation Desk. Call for Discount Code Includes one admission to the water park. Tickets expire in early-September.Buy on Splish Splash website Tickets $10.00 Each Pop-up museum at Tanger Outlet Center, Riverhead. Buy at the Circulation Desk.