Allan H. Treman State Marine Park features an 8-lane boat launch ramp providing excellent access to Cayuga Lake at the south end of the Barge Canal system, with a $8 launch fee (April-November).

The facility also offers marina services including 370 seasonal slips, 30 transient slips, and 30 dry boat slips, plus amenities such as showers, grills, and fishing access.

The park is located within walking distance of downtown Ithaca via the Cayuga Waterfront Trail and offers bird-watching opportunities at the nearby Hog Hole wetland.