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 Confidence High

Medium-sized marina with multiple covered docks on a lake, surrounded by trees, but no visible parking lot or vehicles.

Aerial view of Coralville Lake Marina
inland waterway

Coralville Lake Marina

Johnson County, IA

Coralville Lake Marina is located in Johnson County, Iowa, on the shores of Coralville Lake, a man-made reservoir created by the Coralville Dam on the Iowa River in east-central Iowa's rolling hills and farmland. This inland waterway offers a scenic setting amid the Midwest's rural landscape, making it ideal for freshwater recreational boating. The marina primarily serves activities such as sailing and powerboating on the lake's calm waters.

Location Johnson County, Johnson County, Iowa
Capacity ~60 slips
Coordinates 41.7273, -91.5226

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.