Plan Your Visit

 Library exhibits including the Mapparium are closed for renovations November 3–30.

Research & Reference Services will remain open Tuesday–Friday, 10:00 a.m.–4:00 p.m.

The Mary Baker Eddy Library
200 Massachusetts Avenue
Boston, MA 02115

Hours of Operation, Directions, Parking

Please note that Library exhibits including the Mapparium will be closed for renovations November 3–30.

Directions and parking information


Research & Reference Services Hours

Tuesday–Friday 10 a.m. to 4 p.m.
Closed Saturday–Monday, and holidays
Open 10 a.m.–4 p.m. on the 
First Saturday of December, February, May, and August. 

Please note that R&RS will be closed on the first Saturday of November this year, due to Library renovations.

Call 617-450-7218 or e-mail
More information about
Research & Reference Services  


Holiday Hours & Closings

The Mary Baker Eddy Library will be closed on the following dates:

  • New Year’s Day / January 1
  • January 2 (Exhibits will be open)
  • Martin Luther King, Jr. Day / January 19
  • Presidents’ Day / February 16
  • Patriots’ Day / April 20
  • Memorial Day / May 25
  • Independence Day / July 4
  • Labor Day / September 7
  • Renovations / November 3–30
  • Thanksgiving holiday / November 25 & 26
  • Christmas holiday / December 24–26

Please call the Library for exact information, including operating hours, before visiting on a specific holiday.

Admission Fees

Admission required for Mapparium and Quest Gallery. All other spaces in the Library are free, including Research & Reference Services.

  • General Admission — $6.00
  • Seniors (62+), Students & Military (with ID), and Youth (6-17) — $4.00
  • Children 5 years and under — Free
  • Tour Groups (15 or more) — $4.00/General Admission, $3.00 Youth, Student, and Seniors. For more information, see Group Visits.


The Mapparium® is available for view on a tour only. Tours of the Mapparium run every 20 minutes, lasting 15-20 minutes. The first tour of the day starts at 10:20 a.m., and the last tour starts at 4:00 p.m.



  • The Library entrance is street accessible.
  • Library exhibits are wheelchair accessible. Elevators are located in the Hall of Ideas and provide access to all spaces.
  • The Library provides wheelchairs for use on a first-come, first-served basis, free of charge—please ask for assistance at reception.
  • Companions for manual wheelchair users and for those who require assistance in reading wall text and/or object labels are admitted free of charge.
  • Baby-changing stations are located in the Library’s second floor restroom.
  • Assistive listening devices (headsets and neckloops) are available at the reception desk.
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