We are closed for all tours and on-site visits. However, our online research services continue.
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Plan your visit


The Mary Baker Eddy Library
200 Massachusetts Avenue
Boston, MA 02115
[email protected]

Regular Hours of Operation, Directions, Parking

Monday–Saturday, 10:00 a.m. – 5:00 p.m.
Sunday, 11:00 a.m.–5:00 p.m.
Closed holidays (see below for Research hours)

Directions and Parking Information

Research Hours


Monday–Thursday, 12:00 noon – 4:00 p.m and by appointment (fourth floor) 
Research & Reference Services is also open on the first Saturdays of February, May, August, and November.

  • For more information about research hours, click here.
  • See our receptionist for badge access to the fourth floor.


The Mapparium® is available for view on a tour only. Tours take place seven days a week, running every 20 minutes and lasting 15-20 minutes. The first tour of the day starts at 10:20 a.m. The last tour starts at 4:40 p.m. Admission to each tour is on a firstcomefirstserved basis. Photography and videography are not allowed inside the Mapparium.

To see all of our available exhibits, click here.


Admission is required to view the Mapparium. All other spaces in the Library are free, including Research & Reference Services.
General Admission

  • $6.00 — Adults
  • $4.00 — Seniors (62+), Students (with ID), Youth (6-17), U.S. Military (with ID)
  • Free — Children (0–5) and special needs assistants.

Group Admission & Discounts

  • $4.00 — General (15 or more)
  • $3.00 — Kindergarten–College and Seniors (15 or more)
  • $2.00 — EBT Card to Culture: Adults (up to two/card)
  • Free — EBT Card to Culture: Youth (0-18), Massachusetts teachers + guest, Title 1 Schools, and Chaperones (1 per 10 youths)

Educational Field Trips: Our educational programming introduces students to Mary Baker Eddy’s story, at the same time offering a platform for instruction in other disciplines that include history, geography, art, journalism, and literature.

Holiday hours

The Mary Baker Eddy Library will be closed in 2021 on the following dates:

  • New Year’s Day
  • Martin Luther King, Jr. Day
  • Presidents’ Day
  • Easter Sunday
  • Patriots’ Day
  • Memorial Day
  • Juneteenth
  • Independence Day
  • Labor Day
  • Veterans Day
  • November 24–25
  • December 22–January 3, 2022

The Mary Baker Eddy Library will be open in 2021 on the following dates:

  • Annual Meeting of The Mother Church/June 7
  • Day after Thanksgiving/November 26 (Research Room closed)
  • Please call the Library for exact information, including operating hours, before visiting on a specific holiday.
  • Library entrances are street accessible.
  • Library exhibits are wheelchair accessible. Elevators are located in the Publishing House Lobby 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 first floor restroom.
  • Assistive listening devices (headsets and neckloops) are available at the reception desk.
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