Simmon's Island Boat Harbor
Boat ramp · on Lake Michigan · near Kenosha · Wisconsin
Zebra mussels (latest report 1991) reported in Lake Michigan 750 m from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · checked October 18, 2026
Harmful algal blooms reported on Lake Michigan 1.7 km from this launch (state reports compiled by U.S. EPA): 2021.
state reports compiled by U.S. EPA · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Ramp surface
- Concrete
- Wheelchair access
- No
- Managed by
- City
- Coordinates
- 42.59497, -87.81705
Channel depths in feet from the Army Corps' surveys (Chicago District; the one nearest this launch is of July 21, 2026). Not for navigation.
Conditions
- Weather forecast for this launch · National Weather Service
Marine advisories
Advisories in effect load here; without them, see the NWS zone forecast below.
National Weather Service marine zone LMZ646, Wind Point WI to Winthrop Harbor IL. Zone forecast: winds, seas, warnings.
Channel survey
The Army Corps surveys the channels it maintains and posts every survey.
- Kenosha Harbor · 0.3 mi from this launch
Condition survey of July 21, 2026 by the Chicago District. Least depth in the channel: 6.6 ft; project depth 21 ft. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
On Lake Michigan
Lake in Wisconsin. All launches on Lake Michigan.
Community
Where people who use Lake Michigan talk about it.
Nearby launches
- Prairie Springs Park · 6.5 mi · Lake Andrea
- North Point Marina Boat Launch · 7.3 mi · North Point Marina
- Van Patten Woods Canoe Launch · 9.1 mi · Des Plaines River
- Lake Michigan Access (Pershing Park) · 9.4 mi · Lake Michigan
- Sterling Lake Car-Top Boat Launch · 10.7 mi · Sterling Lake
- Horlick Park Boat Ramp · 11.0 mi · Root River
Sources
- Wisconsin DNR Public Boat Access Sites record 237 · Public data (Wisconsin DNR open data), DNR disclaimer; no use limitations stated
- OpenStreetMap w1317152605 © OpenStreetMap contributors, ODbL
- OpenStreetMap w1317152607 © OpenStreetMap contributors, ODbL
- OpenStreetMap w1317152604 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Wisconsin DNR Public Boat Access Sites. Something wrong, or is this launch private? Send a correction; it goes to a person.