Plan Your Visit


The Mary Baker Eddy Library • 200 Massachusetts Avenue • Boston, MA 02115 • 617-450-7000 •


Hours of OperationAdmission Fees

Tuesday-Sunday 10 a.m. to 4 p.m.
Monday Closed

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.

Directions and parking information

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

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


Research & Reference Services 

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

Call 617-450-7218 or e-mail

More information about Research and Reference Services


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.

Holiday Hours

The Mary Baker Eddy Library will be closed for the following holidays:

  • New Year’s Day
  • January 2 (Exhibits will be open)
  • Martin Luther King, Jr. Day
  • Presidents’ Day
  • Patriots’ Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • 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.