Allan H. Treman State Marine Park offers an 8-lane boat launch ramp and is one of New York's largest inland marinas, with 370 seasonal, 30 transient, and 30 dry boat slips providing excellent access to Cayuga Lake and the New York State Canal System.

The facility includes amenities such as picnic tables, restrooms with hot showers, a sewage pump-out station, and opportunities for fishing and bird watching along the shoreline and Hog Hole wetland area.