About Polestar Marina
Polestar offers 30′, 36′, 50′, 60′ and 70′ dock rentals. Whether you’re looking for a short term boat slip rental or a full-service dock for the season, Polestar has you covered! Full Service Marina on the Mississippi River UMR MM 221.5 RDB in the west back channel of the Dardenne Slough



Facilities
COORDINATES
38.93114 N, -90.47415 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m, 20m+
Depth at MLW
2 - 3m
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Sun
5AM - 9AM
15 March 2026
- S 10 knots increasing to 14 knots. Gusts up to 28 knots.
- 12 to 15°C
- UV Index: 0 - Low
- Chance of showers
Sun
9AM - 1PM
15 March 2026
- S 12–19 knots. Gusts up to 30 knots.
- 13 to 18°C
- UV Index: 1 - Low
- Chance of showers
Sun
1PM - 5PM
15 March 2026
- S 12–18 knots veering W 12-18 knots. Gusts up to 28 knots.
- 7 to 17°C
- UV Index: 0 - Low
- Chance of showers