The Boston Open official tournament hotel is:

Le Méridien Cambridge-MIT
20 Sidney St.
Cambridge, MA 02139
Tel: 617-577-0200

The hotel is 0.5 miles away from the gym, within walking distance.

A limited number of rooms are available at $259 per night.
To book, call 1-617-577-0200 and refer to “Boston Open MIT 2015” or book on-line.
You must book before April 6th to obtain this rate.

Please note that hotels in and around Cambridge and Boston at this time of year are expensive and fill up extremely quickly due to college graduation events etc.