Delavan Lake

Boat Ramps: 6
Access Points: 6
Species: 21

Delavan Lake, located in southeastern Wisconsin's Walworth County, is a premier fishing destination spanning approximately 2,072 acres with a maximum depth of 56 feet. This picturesque lake offers anglers clear waters and abundant fish populations within a serene natural setting. The lake underwent a significant chemical treatment in 1989 to control rough fish populations and high phosphorus levels, reopening in 1992 after extensive rehabilitation. Today, thanks to diligent stocking efforts by the Wisconsin Department of Natural Resources (WDNR), Delavan Lake has developed into an excellent fishery with diverse game fish species, making it a popular spot for both local and visiting anglers.

Wisconsin licenses and regulations4 to check before you go

Species & education

Learn what type of fish are at Delavan Lake and what's needed to catch them.

Fish stocking schedule

Latest 5 stockings

Muskellunge600 fish · 10.0 in2025
Black Crappie100 fish · 4.0 in2025
Black Crappie1,000 fish · 4.0 in2025
Yellow Perch50 fish · 4.0 in2025
Pumpkinseed100 fish · 3.0 in2025

Source

Wisconsin Department of Natural Resources

Updated Nov 13, 2026. Sizes are the length the agency reports. Dates are as precise as the agency reports them.

Open stocking page

Fishing spots, boat ramps & amenities

Learn how to get on Delavan 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.

Walworth Bait and Tackle

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Know where you can legally fish on Delavan 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.

Wisconsin licenses and regulations

Wisconsin 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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Wisconsin Fishing License

Wisconsin residents and non-residents 16 years old or older need a fishing license to fish in any waters of the state. Children under 16 years of age do not need a fishing license.

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Wisconsin 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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Wisconsin Stream Access Laws

Floatable water is public in Wisconsin, and users are legally allowed access to all lakes and streambeds below the high water mark for recreational purposes. Though riparian owners can own streams, the public has legal access to those streambeds below the high water mark while engaged in water-related recreational activity.

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Take Delavan 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 Delavan Lake to use it offline when coverage drops.
Log your catches here
Keep a private fishing journal for Delavan 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.