Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Slips 142 Water Lake Est. Parking ~60 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple parallel docks, several boats present, and a medium surface parking lot with visible vehicles adjacent to green space and beach.

Aerial view of Simmons Island Marina
Great Lakes

Simmons Island Marina

Kenosha, WI

Simmons Island Marina is a quiet, protected marina operated by Great Lakes Yacht Sales that caters to powerboats only. It provides personalized, professional service in an environmentally clean and inviting maritime atmosphere on Lake Michigan.

★★★★★ 4.7 (69 reviews on Google) View on Google Maps ↗
Address 4520 Harbor Dr, Kenosha, WI 53140, USA
Capacity ~80 slips
Hours
Monday: Closed
Tuesday: 10:30 AM – 4:00 PM
Wednesday: 10:30 AM – 4:00 PM
Thursday: 10:30 AM – 4:00 PM
Friday: 10:30 AM – 5:30 PM
Saturday: 9:30 AM – 5:30 PM
Sunday: 8:00 AM – 4:00 PM
Coordinates 42.5926, -87.8176

Marina Services & Amenities

142 slips
April 15 - October 31 season
Shore Power Showers Laundry Ship Store

Nearby Marinas in Wisconsin

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.