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Grass Lake

Boat Ramps
4
Access Points
4
Species
18

Grass Lake is a natural lake located in northern Illinois, part of the Fox Chain O'Lakes system in Lake and McHenry counties. This popular fishing destination is widely known among anglers for its diverse fish populations, including largemouth bass, channel catfish, and freshwater drum. The lake is connected to other bodies of water in the Chain O'Lakes system, providing a varied aquatic environment with abundant fishing opportunities throughout the year. With its strategic location and accessibility, Grass Lake attracts both local and visiting anglers seeking quality fishing experiences.

Fishing spots, boat ramps & amenities

Learn how to get on Grass Lake. Uncover great fishing access points, boat ramps, and all the facilities you need for an unforgettable day on the water. Some locations shown may border or include private property. Always check property boundaries and applicable regulations before visiting. onWater's Public & Private Land layer can help you plan your access with confidence.

Webb's Boat and Service Marina

Webb's Boat and Service Marina

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Fox Harbor Marina

Fox Harbor Marina

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Ben Watts Marina

Ben Watts Marina

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Nauti-Port Marina

Nauti-Port Marina

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Know where you can legally fish on Grass Lake

See public and private land boundaries along the water, turn on private parcels with owner details to know where permission is required, and find land-trust parcels that offer permitted fishing access.

Illinois licenses and regulations

Illinois Boating Regulations

When using any type of watercraft to access a body of water, it is important to follow all federal, state, and local rules and regulations. These rules and regulations include boat permitting and licensing, invasive species inspections and stamps, life jacket and PFD rules, motor size and horsepower restrictions, noise limitations, restrictions on personal watercraft, and many more. Visit the web link below for the most current rules and regulations for this body of water.

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Illinois Fishing License

All individuals who are 16 and over are required to have a fishing license. All youth who are below 16 may fish without a license.

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Illinois Fishing Regulations

This river has a variety of species and regulations, including potential floating and/or watercraft restrictions. Because this river is specially managed for species, seasons, angling methods, and watercraft, it is strongly encouraged you check all federal, state, and local regulations before fishing. Visit any of the links below, inquire locally, or contact a local fly shop to learn current regulations and restrictions.

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Illinois Steam Access Laws

If the waterway is navigable in fact and the streambed is publicly owned, it is most likely fully accessible. If the streambed is privately owned, it is only accessible for navigation, not for hunting, fishing or portage.

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Take Grass Lake with you

The onWater Fish app keeps this water's access points, species and conditions in your pocket, with the tools you use once you're there.

  • Use the map without signal

    Download the map around Grass Lake to use it offline when coverage drops.

  • Log your catches here

    Keep a private fishing journal for Grass Lake to find where and when fish are biting for you.

  • HD depth charts from Garmin

    Find drop offs, ledges, channels, points and shallow flats with Garmin depth charts in the app.

Get the onWater Fish app

Free on iOS and Android

Water and weather conditions (10 day forecast)

See the best times to fish Grass Lake and check the forecast before you go.

No forecast data available.

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