Plan your visit


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

Regular Hours of Operation, Directions, Parking

Yes, we’re open during construction 

Regular Hours

Open seven days a week
10:00 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)

  • For more information, 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.

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), Military (with ID)
  • Free — Children (0–5) and special needs assistants.

Group Admission & Discounts

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 on the following dates:

  • New Year’s Day
  • Martin Luther King, Jr. Day
  • Presidents’ Day
  • Patriots’ Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Veterans Day/November 11
  • Thanksgiving holiday/November 27-28
  • Christmas holiday/December 24-25

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

  • Annual Meeting of The Mother Church/June 3
  • Indigenous Peoples’ Day/October 14 (Research Room closed)
  • Day after Thanksgiving/November 29 (Research Room closed)
  • New Year’s Eve/December 31(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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