These are the parks thicket knows about in Lake — the big ones you already know, and the pocket parks, greenways and trailheads two streets over that you probably do not.
- 137th Avenue Park
- 39th Street Park
- 3rd & Dallas Playlot
- 45th & 5th Street Park
- 81st/Liable Park
- Aetna Park
- Aetna Playground
- Aetna Playground 2
- Ambridge Mann Park
- Amoco Park
- Amy's Park
- Autumn Chase Park
- Baring Parkway
- Bartlett Park
- Bayless Dune Nature Preserve
- Beaver Dam Park
- Beaver Dam Wetland Conservation Area
- Beech Park
- Beidron Park
- Bieker Woods Nature Area
- Biesecker Prairie Nature Preserve
- Bluebird Park
- Bock/Higgins Nature Preserve
- Borman Square Park
- Brantwood Park
- Briar Creek Park
- Brinson Nature Preserve
- Brunswick Park
- Buckley Homestead County Park
- Buffington Park
- Bur Oak Woods Nature Preserve
- Burlwood Park
- Caldwell Baseball Complex
- Callahan Park
- Calumet Astronomy Center
- Calumet Prairie State Nature Preserve
- Carey/Jackson Park
- Carlson Oxbow Park
- Carolina Park
- Cedar Lake Marsh Fish and Wildlife Area
- Centennial Park
- Centennial Playground
- Central Drive Totlot
- Central Park
- Central Park
- Chase Street Conservation Area
- Cheever Park
- Circle Park
- Civic Memorial Park
- Clark and Pine Nature Preserve
- Clayhole Lake Greenspace
- Cline Avenue Nature Preserve
- Cobblestones Park
- Collins Park
- Columbia Park
- Community Park
- Compensatory Wetland Mitigation Property
- Conkey Park
- Cottonwood Park
- Cressmoor Prairie Nature Preserve
- Dallas Totlot
- Dan Rabin Plaza
- Deep River County Park
- Doctor Martin Luther King Park
- Dowling Park
- DuPont Natural Area
- E. Hanover Park
- E. J. Block Stadium Park
- East Glen Park
- Eberly Park
- Edgewood Estates Park
- Edison Park
- Edward Valve Park
- Eleven-Acre Prairie
- Elmer Miller Park
- Elmridge Park
- Elsie's Park
- Evergreen Park
- Evergreen Park
- Festival Park
- Fireman’s Park
- Flag Pole Park
- Fletcher Park
- Forsythe Park
- Foxwood Park
- Franklin Courts
- Franklin Fields
- Freedom Park
- Froebel Park
- Gateway Park
- Gaylord Butterfly Preserve
- Georgetown Park
- German Methodist Cemetery Prairie Preserve
- Gibson Fields
- Gibson Park
- Gibson Woods Nature Preserve
- Gleason Park
- Glen Ryan Park
- Glendale Park
- Goodson Park
- Gordon and Faith Greiner Nature Preserve
- Grand Calumet River Area of Concern
- Grand Calumet River Conservation Area
- Grand Kankakee Marsh
- Grand Park
- Grand Prairie
- Green Heron Pond Nature Preserve
- Grove Park
- Harding Park
- Harrison Park
- Hatcher Park
- Hermit Park
- Heron Lake Park
- Hessville Park
- Hessville Youth Soccer Complex
- Hidden Lake Park
- Hidden Prairie
- High Meadow Park
- Hillman Park
- Hobart Marsh — Bailey tract
- Hobart Marsh — Bundalo tract
- Hobart Marsh — Chorak tract
- Hobart Marsh — Kim tract
- Hobart Marsh — Nozrik tract
- Hobart Marsh — Quail Hollow tract
- Holiday Park
- Homestead Acres Park Number 1
- Homestead Acres Park Number 2
- Homestead Park
- Hoosier Prairie State Nature Preserve
- Hovey Playground
- Howe Park
- Idle Hour Park
- Indi-Illi Park
- Indian Boundary Park
- Ironwood Park
- Irving Park
- Ivan Gatlin Nature Preserve
- Ivanhoe Dune and Swale Nature Preserve
- Ivanhoe South Nature Preserve
- Ivory Wetlands
- Jackson Park
- James E. Larimer Park
- Jaycee Park
- Jefferson Park
- Jeorse Park
- Jerry Ross Park
- John B. Curley Memorial Park
- Jordan Triangle
- June LaBroi Park
- Junedale Fields
- Kaiser Park
- Kiwanis Park
- Knickerbocker Parkway
- Knox Park
- Kościuszko Park
- Lake County Fairgrounds
- Lake Etta County Park
- Lakefront Park
- Lakeside Park
- Lakeside Park Outlet
- Lakeview Park
- Lancer Park
- Lands End Park
- Lantern View Park
- Lawler Park Greenspace
- Lemon Lake County Park
- Levan Wetland Nature Preserve
- Liberty Park
- Lincoln Center
- Linear Park
- Linear Park
- Lion's Park
- Little Turtle Park
- Liverpool Nature Preserve
- Louis Estates Park
- M.C. Bennett Park
- Main Square Park
- Markley Park
- Marktown Park
- Marquette Park
- Marshalltown Playground
- Martin Luther King Park
- Martin Luther King Totlot
- Maryland Totlot
- McCloskey's Burr Oak Savanna Nature Preserve
- Meadows Outlet Park
- Meadows Park
- Means Manor Totlot
- Memorial Park
- Mock Park
- Monon Trailhead
- Moose Park
- Munster Heritage Park
- Nelson Algren Pocket Park
- Nichols Place
- Norbert Grimmer Tot Lot Park
- Northgate Community Park
- Northgate Community Park
- Northwood Park
- Norton Park
- Nuñez Park
- Oak Ridge Prairie County Park
- Optimist Youth Sports Complex
- Orchard Park
- Orchard Park
- Panther Park
- Parkside Greenspace
- Patcher Park
- Patnoe Park
- People's Park
- Peter G. Redar Park
- Pettit Park
- Pheasant Hills Park
- Phrommer Park
- Pierce Park
- Pine Station Nature Preserve
- Pittman Square Park
- Playlot
- Plum Creek Park
- Potawatomi Park
- Prairie West Park
- Pulaski Park
- Pulaski Playground
- Rainwater Park
- Randolph Street Park
- Rees Park
- Reservation Park
- Rich's Park
- Riley Park
- River Bend Greenspace
- Riverside Park
- Riverview Park
- Robinson Park
- Roosevelt Park
- Rosser Park
- Rotary Park
- Roxana Park
- Roxana Tot Lot
- Rutledge Totlot
- Sandalwood Park
- Sandy Beach Park
- Sauerman Woods
- Schererville Skate Park
- Scherwood Greens Park
- Schillton Hills Park
- Seberger Park
- Seidner Dune and Swale Nature Preserve
- Sharp Athletic Complex
- Sheppard Park
- Silverleaf Park
- Smith Park
- Somerset Greenspace
- South Park
- Stephen Park
- Stewart Mattix Prairie
- Stewart Park
- Stoney Run County Park
- Sunnyside Park
- Sunnyside Park
- Sunrise Playground
- Tarrytown Playground
- Teibel Nature Preserve
- Terrace Park
- Three Rivers County Park
- Timber Lane Park
- Tod Park
- Tolleston Park
- Tolleston Ridges Nature Preserve
- Tom Smolen Park
- Tot Park
- Toth Park
- Triangle Park
- Triangle Parkway
- Turner Park
- Twin Creek Park
- U.S. Steel Oxbow Tract
- Unity Plaza
- Van Buren Totlot
- Ventura Estates Park
- Veterans Memorial Park
- Veterans' Park
- Volunteer Park
- Washington Park
- Washington Park
- Wedgewood Park
- Wells Street Park
- West Lakes Park
- Westbrook Fields
- Westbrook Park
- Whihala Beach County Park
- White Oak Estates Park
- White Oak Park
- Whiting Lakefront Park
- Wicker Memorial Park
- Windy Hill Park
- Wolf Lake Memorial Park
- Woodland Park