Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~60 Water Lake Est. Parking ~120 spaces Lot Size Large (150+) Lot Type Surface Confidence High

Medium-sized marina with covered slips in a protected basin adjacent to a large unpaved/stripeless parking lot containing numerous vehicles near a highway and lakefront.

Aerial view of Sioux City Marina
inland waterway

Sioux City Marina

Sioux City, IA

Sioux City Marina is located in Sioux City, Iowa, along the Missouri River, which forms part of the inland waterway system in the Midwestern United States. Situated at the confluence of the Missouri and Big Sioux Rivers, it offers a scenic setting amid rolling hills and prairie landscapes typical of the region. The marina serves recreational boating on these freshwater rivers, catering to activities such as fishing and inland cruising.

Location Sioux City, Woodbury County, Iowa
Capacity ~60 slips
Coordinates 42.4901, -96.4190

Nearby Marinas in Iowa

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.