HomeMichiganLenawee County

Grassy Lake

Lenawee County, Michigan Inland Lake Connected Water
60.4 acres2 ft deep1 launchFree launch available
Grassy Lake Access Map 1 launch
Depth Map → Click markers for details
Boat Launches on Grassy Lake
Grassy Lake Boat Launch
Onsted State Game Area · Unimproved ramp, 1 lane, 4 trailer spots
Open Motorboat Kayak Free
View ramp details →
Connected Waterways

Grassy Lake sits in Lenawee County's lake-dense southern Michigan landscape, near the Devils Lake and Clark Lake systems. Specific inflow and outflow details aren't well documented.

Frequently Asked Questions
Where is Grassy Lake in Michigan?
Grassy Lake is in Lenawee County in southeastern Michigan, in the general vicinity of the Devils Lake and Clark Lake recreation areas near Manitou Beach and Clarklake.
Is there a public boat launch on Grassy Lake?
Yes, there's one public launch on the lake. It carries a 4.5 Google rating, though reviewers have noted the lack of portable restroom facilities and some litter at the site.
Are there campgrounds near Grassy Lake?
Yes — The Groves of Michigan, Earnhardt Acres Campground, and Kay's Kamping are all in the area, giving you several options for overnight stays near the lake.
Are there restrooms at the Grassy Lake boat launch?
As of recent reviews, no — there's no porta-john or restroom facility at the launch. Plan accordingly.
Scout's Notes
Lake Vibe & Fishing Intel

Grassy Lake is a small lake in Lenawee County with a single public launch. The lake sits in Michigan's southern lake-rich corridor near the Devils Lake and Clark Lake chain area — nearby marinas at Manitou Beach and Clarklake suggest it's within easy reach of those more developed recreation spots. Details on acreage and depth are scarce, but the name suggests a weedy, shallow profile typical of small Lenawee County lakes. The single launch has a 4.5 Google rating but reviewers note the lack of restroom facilities and litter issues, so come prepared and pack out what you bring in.

Sources: Wikipedia, Google Reviews, DNR data, campground & beach reviews, ShorelineScout enrichment