Sweet Marsh Boat Ramp provides public boat access to Sweet Marsh in Bremer County, Iowa, a 255-acre wetland located approximately 1. 5 miles northeast of Tripoli.

The ramp accommodates small to medium-sized boats, though boat travel may be difficult with outboard motors due to heavy emergent and submergent vegetation typical for this time of year. Water levels are typically within 1.

5 feet of crest elevation in fall, making it generally accessible for recreational boating and fishing.