Sioux City Marina

Marina Closed for the Winter; Reopens April 2026 The Sioux City Marina sits on the North Shore of the Missouri River with 225 slips accommodating boats ranging in size up to 40 feet in length. Our fuel dock offers gasoline, potable water, ice, beverages and snacks. There is also a free waste pump-out station. Other amenities include shore power 30A, restrooms and convenience items. The harbor of the Sioux City marina, which lies on a tract of land between the Isabella Street exit on Interstate 29 and the Combination Bridge, was completed in the fall of 1969. The City of Sioux City then had the responsibility of operating, maintaining and developing the marina which has a capacity for 450 boats.

Frequently Asked Questions

What types of boat slips are available at Sioux City Marina?

Sioux City Marina offers wet moorage for up to 270 recreational vessels, with options for seasonal, monthly, weekly, and daily rentals. They accommodate boats up to 40 feet in length.

Does the marina offer fuel and other supplies?

Yes, Sioux City Marina has a dockside ship store where customers can purchase fuel, ice, and beverages. They also provide clean restroom facilities for boaters.

Where is Sioux City Marina located?

The Sioux City Marina is located at mile marker 732.6 on the north side of the Missouri River in Sioux City, Iowa.

When does the marina open and close for the season?

Sioux City Marina will be closed for the winter and plans to reopen in April 2026. They anticipate having their operating fuel system ready upon reopening.