Founded on 20 February 1939, their football section is currently playing in the Uruguayan Primera División.

At the futsal league of AUF, Boston River competes in the first division.

The club is named after a tailor shop owned by its founder, called "Sastrería Boston", and Argentine side River Plate.

[citation needed] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.