42.3556304, -82.9635055

St. Jean Boat Ramp

Fee not yet verified Reported open Public access
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St. Jean Boat Ramp is a public launch on Detroit River in Wayne County, Michigan , with 10 launch lanes. We currently track 9 public launch sites on this waterbody.

The nearest community is Grosse Pointe Park, about 1.9 miles away. The closest larger city is Detroit, approximately 4.5 miles away. The site lies within the Belle Isle-Detroit River watershed, as defined by the EPA.

Good to know: Building with men's and women's restrooms; Hrs. 6am-6pm March 1-October 31 as of 7/8/26; City has under lease until end of September 2026 with entity managing Riverside Marina; DNR may take over by lease beginning fall 2026

Sourced from Michigan Department of Natural Resources . See the freshness details in the sidebar.

Boat ramps on Detroit River

We currently track 9 public boat ramps on Detroit River , including this one. The other public launch sites on this waterbody are listed below, starting with the closest.

Nearby boat ramps in Wayne County

We currently track 22 public boat ramps in Wayne County. The closest ramps are listed below, along with the waterbody each one provides access to.

Frequently asked questions

We haven't confirmed the current launch fee with the managing agency yet - check the fee badge at the top of this page, which updates as soon as we do.

Yes - 77 trailer spaces are recorded for this site.

This ramp's access type isn't specifically flagged for hand-launched craft, but a trailer ramp can generally be used to launch a kayak or canoe by hand as well.

St. Jean Boat Ramp provides access to Detroit River, one of 9 public launch sites we track on it.

This listing is sourced from Michigan Department of Natural Resources records - see the official page for the managing agency's own information.

This listing was last checked against the source on September 7, 2026.

Quick facts

County
Wayne County, Michigan
Nearby places
Grosse Pointe Park (1.9 mi)
Grosse Pointe (3.4 mi)
Detroit (4.5 mi)
Coordinates
42.3556304, -82.9635055 Gaia
Waterbody
Detroit River
Access type
Public
Launch lanes
10
Parking
77 trailer
Piers
3
Restroom
Flush Toilet
Contact
+1 313-447-5319

Current weather

61°F Cloudy

Wind W 7 mph

Full NWS forecast · via National Weather Service
Last updated Oct 12, 2026 at 7:22 AM

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Data freshness

How current this listing is, and how it's been maintained.

Last checked against source
September 7, 2026
Listed on Boat Ramp US since
August 30, 2026