The South I Street boat ramp in Arcata, California, is a concrete boat ramp that provides access to Humboldt Bay, a large estuary on the Pacific coast. The ramp is approximately 20 feet wide and is suitable for small to medium sized watercraft. According to the latest information available, the South I Street boat ramp is open to both motorized and non-motorized vessels, including kayaks, canoes, sailboats, and fishing boats. However, the use of personal watercraft such as jet skis and wave runners is prohibited in the area. The ramp is maintained by the City of Arcata and is available for public use year-round, subject to tidal and weather conditions. It is important to note that users of the ramp are required to purchase a launch permit from the city, which can be obtained at the Arcata Marsh Interpretive Center. Get driving directions.