Island Federal Credit Union Arena, commonly referred to as Island Federal Arena, is a 4,000-seat multi-purpose arena in Stony Brook, New York. It is the home of the Stony Brook Seawolves men's and women's basketball teams. Originally built in 1990 as the Stony Brook University Arena, it underwent a $21.1 million renovation in 2012–14. Naming rights were sold to a regional credit union, Island Federal Credit Union. The Island Federal Arena has hosted the America East Conference men's basketball tournament finals in 2012 and 2016, as well as the NBA G League Finals in 2019.