Pins from top to bottom:

1. Friday night social - Pacifico, 220 College St, New Haven, CT

2. Harkness Ballroom (Saturday afternoon and Sunday morning hacking) - 367 Cedar St. 

3. Harkness Auditorium (Saturday morning and Sunday afternoon talks and presentations) - 333 Cedar St. 

4. TAC Auditorium (Friday night kickoff) - 300 Cedar St. 

There are several parking lots and covered parking garages nearby if you intend to drive. See Transportation for more options.