Oak Park's boat ramp features four concrete lanes with a courtesy dock, parking for 25 vehicles, and is located on the northeastern shore of Navarro Mills Lake near FM 667. The ramp is open daily from 6 a. m. to 9 p. m.

year-round and requires a $5 day-use fee or annual permit. Additional amenities include restrooms, picnic areas, camping facilities, and a life jacket loaner station at the gatehouse.