Smallwood State Park's Sweden Point Marina provides six boat ramps, a pier, and a large paved parking lot (140 vehicles) for accessing Mattawoman Creek less than a mile from its confluence with the Potomac River.

The 628-acre park offers comprehensive amenities including restrooms, picnic areas, campsites, fishing access, and nature trails, making it suitable for both motorized and paddle craft.

Daily boat ramp fees are $10 or $60 for a seasonal pass, with additional park service charges on weekends and holidays April through October.