Plan your visit
The Mary Baker Eddy Library
200 Massachusetts Avenue
Boston, MA 02115
Hours of Operation, Directions, Parking
10:00 a.m. – 4:00 p.m.
Closed Mondays and holidays (see below for Research hours)
First-floor Research Room Hours
Noon – 4:00 p.m.
Please note: Through May 22, our fourth-floor Research & Reference Services will be closed to on-site visitors.
For more information about Research & Reference Services, click here.
- 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, Students, 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 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
- Thanksgiving holiday/November 22-23
- Christmas holiday/December 24-25
The Mary Baker Eddy Library will be open on the following dates:
- Annual Meeting of The Mother Church/June 5
- Indigenous Peoples’ Day/October 9
- Veterans Day/November 11
- Day after Thanksgiving/November 24
- New Year’s Eve/December 31
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 second floor restroom.
- Assistive listening devices (headsets and neckloops) are available at the reception desk.