Visit Us
Enjoy and learn more about the natural world around you by visiting one of our properties!
Visit us at the MMA Aquarium, Hinchman House Natural Science Museum, Loines Observatory, and the Historic Mitchell House.
The administrative building at 4 Vestal Street is currently open 9am-5pm, weekdays.
All facilities are closed on federal holidays.
The Discovery Playground at Hinsdale Park closes at dark.
Please see our calendar for year-round programming opportunities.
Hours of Operation:
Vestal Street Observatory
Closed for Conservation
Re-opening in June, 2025
3 Vestal Street | 508.228.9198
Re-opening in April, 2025 for Stargazing
Reservations Required. be
View our
Calendar
for up-to-date information on our Look Up! and Stargazing Open Nights.
59 Milk Street Ext. | 508.228.9198
Aquarium & Sea Shop
Closed for the Season
Re-opening June 9, 2025
32 Washington Street | 508.228.9198
Natural Science Museum is Open!
Open Fridays 3 - 7pm
Open Saturdays and Sundays 10am - 2pm
View our
calendar for programs.
7 Milk Street | 508.228.9198
Closed for the Season
Re-opening June 9, 2025
1 Vestal Street | 508.228.9198
Available by Appointment Only
Contact 508.228.9198 or jgurley@mariamitchell.org
2 Vestal Street | 508.228.9198
Admission
Admission is FREE for MMA Members.
Museum or Aquarium Only Admission
Adult: $25
Youth (ages 3-16): $15
Children (ages 0-2): free
Loines Programming Admission*
Adult: $25
Youth (ages 3-16): $15
Children (ages 0-2): free
Combo Pass for Mitchell House, Natural Science Museum, and Vestal Observatory
Adult: $25
Youth (ages 3-16): $15
Please check our calendar for additional programming.
*Guests can visit the Loines Observatory through pre-registered programs only, click to learn more.
Observe the sky and the field of astronomy by visiting the historic Vestal Street Observatory or Loines Observatory.
Discover the sea and its creatures by visiting the Aquarium.
Investigate the land and its creatures by visiting the Natural Science Museum.
Learn more about Maria Mitchell and her legacy by visiting the Mitchell House.
Explore our research and collections by visiting the Research Center.
Play
and have fun at the
Discovery Playground.
Stop by the Administrative Building at 4 Vestal Street with any questions.