They were led by Chuck Priore in his 15th season as head coach and played their home games at Kenneth P. LaValle Stadium in Stony Brook, New York.

On July 17, 2020, the Colonial Athletic Association announced that it would not play fall sports due to the COVID-19 pandemic.

[1] Three players from the 2020 Stony Brook team signed undrafted free agent contracts after the 2021 NFL draft.

[2] Stony Brook had a game scheduled against Fordham on August 29, which was later canceled before the start of the 2020 season.

[4] Stony Brook's home opener was originally scheduled for September 26 against Sacred Heart.