About Simmons island marina
Located at 4520 harbor dr, Kenosha, WI 53140, United States Simmons Island Marina is a quiet, protected marina operated by Great Lakes Yacht Sales that caters to powerboats only. For years, it has been our mission to provide boatloads of fun in the sun for Lake Michigan’s boating enthusiasts and summer visitors. If you are passionate about boating and enjoy spending time on the water with your family and friends, then Simmons Island is the place on Lake Michigan to make those special on-the-water occasions a reality. Our mission is to provide the boating community with personalized, professional and dependable service in an environmentally clean and inviting maritime atmosphere.

Facilities
COORDINATES
42.59385 N, -87.81712 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
3m+
Manoeuvrability
Fair
Channel Marking
Fair
VHF Channel
65
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
No
Weather Forecast
Sun
5AM - 9AM
15 March 2026
- E 12–18 knots. Gusts up to 26 knots.
- 1 to 4°C
- E 1.3m at 4s period
- UV Index: 0 - Low
- Cloudy
Sun
9AM - 1PM
15 March 2026
- E 10–14 knots veering S 10-14 knots. Gusts up to 26 knots.
- Increasing from 2 to 7°C
- E 1.3m at 5s period
- UV Index: 0 - Low
- Chance of showers
Sun
1PM - 5PM
15 March 2026
- SW 11–16 knots. Gusts up to 28 knots.
- 3 to 12°C
- E 1.1m at 4s period
- UV Index: 0 - Low
- Rain