The Stony Brook University Department of Athletics proudly supports 20 Division I varsity intercollegiate athletic programs that compete at the highest level within the NCAA. The University fields women's programs in soccer, volleyball, basketball, lacrosse, cross country, swimming and diving, indoor track and field, outdoor track and field, tennis, and softball. On the men's side, the Seawolves compete in football, basketball, lacrosse, soccer, cross country, swimming and diving, indoor track and field, outdoor track and field, baseball, and tennis. All of Stony Brook's programs compete as members of the America East Conference except for the Seawolves football program, which has been elevated to a Division I-AA scholarship program and is currently competing as an Associate member of the Big South Conference. All of Stony Brook's men's and women's programs offer athletic scholarships.

The Seawolves 425 student-athletes compete in impressive athletic facilities including the 8,000 seat Kenneth P. LaValle stadium, the 4,000 seat Stony Brook Arena, and the Seawolves Baseball and Softball Complex. The Department of Athletics is also proud of the 6,000-square-foot Goldstein Family Student-Athlete Development Center, which boasts a state-of-the-art computer lab with 24 terminals, a 100-seat study hall/multipurpose function room, a career resource/library, and four private tutor rooms as well as administrative offices for the academic staff. New locker rooms have been added for men's and women's basketball, football, women's volleyball, and men's and women's lacrosse. Other recent renovations have also taken place in the varsity weight room and training room.