Library will close at 12:30 pm on Mon, Dec 24 for the Christmas holiday, and reopen Thu, Dec 27 at 9 am.

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.

Without pass: $36.99 Adults; $31.99 Seniors (60+); Youth age 13-17 $30.99; Youth age 3-12 $26.99; Youth age 2 and under free.
Library Pass admits up to 2 adults and 2 children for $4 off regular admission. Children under 2 are free.