...
When CAC rooms are not available, this is probably the best option.
Unavailable spaces
E62-233
This is a large carpeted space with easily movable furniture. Unfortunately, the Sloan reservation page says that non-Sloan groups will be directed to the regular classrooms reservation site, and the schedules office says only Sloan groups can reserve Sloan classrooms. roomrequest@sloan.mit.edu also confirmed that this was the case.
Siteman Dining Room
This is large open space in E62 that is also only available to Sloan groups.