Also known as the Romano Student-Alumni Center, or RSAC for short. This building houses the Spartan Grille, a fast food counter restaurant along with dining seating areas located throughout the hall. Romano Center also houses the campus' bookstore, a small stage, a small video game area, a pool table area, and other campus service offices.
Maguire Hall
Primarily consists of offices and classrooms. This section of the campus also houses Sullivan Theater, a small performing arts theater. It also features some art studios and a seminar room, known as the Smith Seminar room.
Naughton Hall / Marian Gardens
Naugton Hall consists of professors offices. Marian Gardens consists of a walking path and a small rest area.
Aquinas Hall
This hall is located at the center of the campus. It consists of Campus Safety & Security, the Mail Room, the Aquinas Hall Gymnasium, The Kraus Fitness Center, and Athletics Offices.
Costello Hall
Consists of offices and classrooms related to the division of science education. It has science labs and lecture-like classrooms. The hall also houses the Azarian-McCullough Art Gallery and the Poggi Family Terrace.
Spellman Hall
Consists of classrooms, computer labs, and many academic and administrative offices. This hall also consists of the Lougheed Library and the Center for Academic Excellence, a tutoring center for all STAC students. There is also a television/media studio.
Borelli Hall
Consists of offices and classrooms related to the majors of business and education. It is also the hall where the Office of the President is housed.
Aquinas Village
Consists of residence dorms for upperclassmen and tennis courts where the men's and women's tennis teams play.
McNelis Commons
Consists of residence dorms for lowerclassmen and a buffet-styled cafeteria.
St. Thomas Aquinas competes in 20 intercollegiate varsity sports: Men's sports include baseball, basketball, cross country, golf, ice hockey, lacrosse, soccer, sprint football, tennis and track & field; while women's sports include basketball, bowling, cross country, field hockey, lacrosse, soccer, softball, tennis, track & field and triathlon. Men's and women's volleyball will be added in 2023–24.
Club sports are also available at the college, including cheer and dance team and volleyball. [citation needed] The Spartans have a cross-campus rivalry with the Dominican University New York Chargers since they are geographically a mile away from each other. Their mascot is The Spartan.