46.8690422, -89.3195216

Ontonagon Marina Boat Ramp

Fee not yet verified Reported open Public access
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Ontonagon Marina Boat Ramp is a public launch on Ontonagon River in Ontonagon County, Michigan , with 6 launch lanes.

The nearest community is Ontonagon, about 0.3 miles away. The closest larger city is Green Bay, approximately 174.1 miles away. The site lies within the Mill Creek-Ontonagon River watershed, as defined by the EPA.

Good to know: $8 daily fee, $80 seasonal fee, $60 senior seasonal fee; 1 restroom building with men's and women's rooms; Fish cleaning station in adjacent marina facility

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

Boat ramps on Ontonagon River

Ontonagon Marina Boat Ramp is currently the only public boat ramp we track on Ontonagon River . If you know of another public launch nearby, let us know.

Nearby boat ramps in Ontonagon County

We currently track 14 public boat ramps in Ontonagon 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 - 65 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.

Ontonagon Marina Boat Ramp provides access to Ontonagon River.

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
Ontonagon County, Michigan
Nearby places
Ontonagon (0.3 mi)
White Pine (14.8 mi)
South Range (34.8 mi)
Coordinates
46.8690422, -89.3195216 Gaia
Waterbody
Ontonagon River
Access type
Public
Launch lanes
6
Parking
65 trailer
Piers
3
Restroom
Vault Toilet
Contact
+1 906-884-4225

Current weather

54°F Clear

Wind NNE 3 mph

Full NWS forecast · via National Weather Service
Last updated Oct 12, 2026 at 6:13 AM

Official ramp page
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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 29, 2026