About Trempealeau Marina
Located just above Lock & Dam 6, Trempealeau Marina (previously Sunset Bay Marina) is pleased to offer nearly 150 wet slips ranging from 20′-70′. Pricing starts at just $825 for the season and includes power, water, parking, and all of the amenities listed below. On-site winter boat storage is also available for our current slipholders. Since Spring 2016 we have updated the following items: Dock floats Relocation of new gas dock & pump New pump-out facility Updated clubhouse Harbor dredging Updated bathroom/shower room areas New picnic area with tables Duckweed-harvesting boat Full marina dredging All new finger docks & sizing for D-dock


Facilities
COORDINATES
44.00143 N, -91.43707 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m, 20m+
Depth at MLW
2 - 3m
Manoeuvrability
Good
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Weather Forecast
Mon
9AM - 1PM
08 June 2026
- SE 6 knots.
- 20 to 23°C
- UV Index: 0 - Low
- Rain
Mon
1PM - 5PM
08 June 2026
- E 5–7 knots.
- 20 to 23°C
- UV Index: 0 - Low
- Rain
Mon
5PM - 9PM
08 June 2026
- E 4–6 knots.
- 20 to 22°C
- UV Index: 0 - Low
- Rain