State parks · The Sixth Lake
Lake St. Clair State Parks
3 state parks on the Michigan shore, about 2,563 acres where an area is recorded. The biggest is Algonac State Park; the oldest, Belle Isle Park (1845).
Parks
3
Acres recorded
2,563
States
1
Oldest
1845
Room to roam
The biggest state parks on St. Clair
By recorded area. Big parks often run well inland from the beach.
Lake St. Clair state parks in Michigan 3
Every vehicle entering a Michigan state park needs a Recreation Passport, bought with your license plate registration or at the park. Michigan DNR
St. Clair County 1
- Algonac State ParkSt. Clair River · near Algonac1,550 acres · est. 1937
Wayne County 2
- Belle Isle ParkDetroit River982 acres · est. 1845
- William G. Milliken State Park and HarborDetroit River31 acres · est. 2004
Beyond the parks
More on Lake St. Clair
How many state parks are on Lake St. Clair?
This directory lists 3 state parks and recreation areas on or beside the U.S. shore of Lake St. Clair in Michigan, counting the St. Clair River and Detroit River parks that belong to the St. Clair system. Together they cover about 2,563 acres where an area is recorded. Canadian provincial parks are not included. County, city and national parks are not counted here.
What is the biggest state park on Lake St. Clair?
Algonac State Park, at 1,550 acres (2.4 sq mi). Next come Belle Isle Park (982 acres) and William G. Milliken State Park and Harbor (31 acres). Areas are as the park's record gives them; some include inland tracts well back from the water.
What is the oldest state park on Lake St. Clair?
By the year each park's record gives as its founding: Belle Isle Park (1845), Algonac State Park (1937), William G. Milliken State Park and Harbor (2004). Some parks grew out of older federal or city land, so "established" means the year it became a park, not the year the land was first protected.
Do I need a pass to visit a Lake St. Clair state park?
Every vehicle entering a Michigan state park needs a Recreation Passport, bought with your license plate registration or at the park. A few parks are run by towns, counties or commissions and set their own rules; each park page says so.
Parks from Wikipedia's state park categories, facts from each article's infobox and its Wikidata record, retrieved 2026-10-11. A park is listed when it sits on or beside the shore. Shoreline from Natural Earth (public domain). Charts are not for navigation. Corrections to contact@greatamericanlakes.com.