About Third Lake
Third Lake is a scenic Brown County lake worth knowing about, a intimate 5-acre lake reaching 15 feet at its deepest. Access is limited, which keeps boat traffic low — a plus for solitude seekers.
Bottom composition: 0% sand, 0% gravel, 0% rock, 99% muck
Type: lake · Hydrology: SEEPAGE
Lake Location
44.41880° N, 87.84420° W
WBIC 89800 · Wisconsin DNRLocal's Guide
Fishing
Species-specific tips above. Wisconsin fishing license required for ages 16+. See current season regulations below.
View fishing regulations ↓Swimming
Sandy bottom sections make for good swimming. No lifeguard on duty — swim at your own risk.
Content coming soon
Nearby Dining
Looking for supper clubs and bait shops near Third Lake? Local dining recommendations coming soon.
Content coming soon
Insider Tips
Local knowledge about Third Lake — best times to visit, quiet spots, and what the regulars know. Contributed tips coming soon.
Content coming soon
Lake Conditions
Water Clarity
—
No data
Trophic Status
—
No data
Invasive Weeds
Not documented
Clean lake
Seasonal Notes
Coming soon
Ice-out dates, peak fishing windows
Condition data sourced from Wisconsin DNR surveys. Real-time weed and clarity reports coming soon.
Frequently Asked Questions
Can you boat on Third Lake?
Third Lake does not currently have a public boat landing listed in the Wisconsin DNR database. Shore fishing or kayak/canoe access may still be available — check local access points.
How big is Third Lake?
Third Lake has 5 acres in surface area, a maximum depth of 15 feet.
What is the bottom of Third Lake like?
The lake bottom is composed of 0% sand, 0% gravel, 0% rock, 99% muck. Sandy and gravel bottoms typically support good swimming and healthy fish habitat.
Are there invasive species in Third Lake?
No invasive species are currently documented in Third Lake by the Wisconsin DNR. Always clean, drain, and dry your boat before leaving to help protect this lake.
Where is Third Lake located?
Third Lake is located in Brown County, Wisconsin. GPS coordinates: 44.4188° N, 87.8442° W.
Are there vacation rentals on Third Lake?
Stay Northern is building the most complete rental directory for Brown County lakes. Check our Third Lake vacation rentals listing — if none are available yet, check back soon or browse nearby Brown County lake rentals.
Fishing Regulations
Current season regulations for Third Lake
| Species | Season | Min. Length | Daily Bag |
|---|---|---|---|
| Bullheads | Open All Year | No minimum length limit and the daily bag limit is unlimited. | — |
| Catfish | Open All Year | No minimum length limit and the daily bag limit is 25. | — |
| Cisco And Whitefish | Open All Year | No minimum length limit and the daily bag limit is 10. | — |
| Lake Sturgeon | Closed | No fishing allowed. | — |
| Largemouth Bass And Smallmouth Bass | May 2, 2026 to March 7, 2027 | The minimum length limit is 14" and the daily bag limit is 5. | — |
| Muskellunge And Hybrids | May 2, 2026 to December 31, 2026 on open water | The minimum length limit is 40" and the daily bag limit is 1. | — |
| Northern Pike | May 2, 2026 to March 7, 2027 | No minimum length limit and the daily bag limit is 5. | — |
| Paddlefish | Closed | No fishing allowed. | — |
| Panfish | Open All Year | No minimum length limit and the daily bag limit is 25. | — |
| Rock, Yellow, And White Bass | Open All Year | No minimum length limit and the daily bag limit is unlimited. | — |
| Rough Fish | Open All Year | No minimum length limit and the daily bag limit is unlimited. | — |
| Round Goby | Open All Year | The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office. | — |
| Ruffe | Open All Year | The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office. | — |
| Shovelnose Sturgeon | Closed | No fishing allowed. | — |
| Trout | See specific regulations | https://dnr.wisconsin.gov/topic/fishing/trout/ . | — |
| Walleye, Sauger, And Hybrids | May 2, 2026 to March 7, 2027 | The minimum length limit is 15" and the daily bag limit is 3. | — |
| White Perch | Open All Year | The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office. | — |
Regulations sourced from Wisconsin DNR fisheries data. Always verify current regulations before fishing.
Lake Details
- WBIC
- 89800
- County
- Brown County
- Surface Area
- 5 acres
- Max Depth
- 15 ft
- Bottom
- 0% sand, 0% gravel, 0% rock, 99% muck
- Lake Type
- lake
- Coordinates
- 44.4188, -87.8442
Boat Rentals Nearby
Pontoon
Listing soonFishing Boat + Motor
Listing soonKayak / Canoe
Listing soonKnow a local boat rental operator near Third Lake? Let us know.
Lake data sourced from the Wisconsin DNR. Last updated 3/24/2026.