Visit Us

Enjoy and learn more about the natural world around you by visiting one of our properties! 

Visit the MMA Aquarium, Hinchman House Natural Science Museum, Loines Observatory,

Vestal Street Observatory, and the Historic Mitchell House.


Please see our calendar for year-round programming opportunities.

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.

Hours of Operation:

MMA Aquarium


Opening June 11, 2026

Hours Beginning June 11:

10am - 4pm Monday-Friday

10am - 1pm Saturday




32 Washington Street |  508.228.9198

Stargazing Open Nights Have Begun!

View Our Calendar for Days and Times


Reservations Required



59 Milk Street Ext.  | 508.228.9198

Opening June 11, 2026

Hours Beginning June 11:

11am - 1pm Monday-Saturday





3 Vestal Street | 508.228.9198

Opening June 11, 2026

Hours Beginning June 11:

10am - 4pm Monday - Friday

10am - 1pm Saturday


View our Calendar for programs.


7 Milk Street | 508.228.9198

Opening June 11, 2026

Hours Beginning June 11:

10am - 4pm Monday - Friday

10am - 1pm Saturday




1 Vestal Street | 508.228.9198

Available By Appointment Only

Contact 508.228.9198 or info@mariamitchell.org





2 Vestal Street | 508.228.9198

Admission

MEMBERS:
Admission to the Aquarium, Natural Science Museum, Historic Mitchell House, and Vestal Street Observatory is FREE.
Admission to the Loines Observatory programming is discounted 20%.

NON-MEMBERS:
MMA All Properties Pass: MMA Aquarium, Natural Science Museum, Vestal Street Observatory, and Historic Mitchell House.
Adult: $42
Youth (2 - 17): $24
Children Under 2: Free

Loines Observatory Stargazing Program Admission*
Adult: $27
Youth (ages 2-17): $17
Children Under 2: Free

Historic Mitchell House and Maria Mitchell Vestal Street Observatory Combo Pass:
Adults: $15
Youth (ages 3 - 16): $8

*Visits are through pre-registered programs only.

The MMA is a member of the Blue Star Museums.

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.