The library will be closed on Tuesday, July 4 in observance of Independence Day.

Mystic Aquarium & Institute for Exploration

Mystic Aquarium is open daily, except for Thanksgiving and Christmas.
April - Labor Day: 9 am to 5 pm  
September 8 - November: 9 am to 4 pm
December - February: 10 am to 4 pm
March: 9 am to 4 pm

Once inside, guests may visit one additional hour after close. Hours are subject to change without notice. In the event of severe weather, please call 860.572.5955 for updates.

Library Pass admits up to 2 adults and 2 children for $5 off regular admission. Pass rates--Adults: $29.99; Seniors (60+): $24.99; Youth (13-17): $23.99; Children (3-12): $19.99; Children 2 and under free