Heart Lake
Green Lake County, Wisconsin
About Heart Lake
Heart Lake is a scenic Green Lake County lake worth knowing about, a intimate 18-acre lake reaching 2 feet at its deepest. Access is limited, which keeps boat traffic low — a plus for solitude seekers. Note that invasive species (Curly-Leaf Pondweed, Eurasian Water-Milfoil) have been documented here — clean your boat before leaving.
Bottom composition: 95% sand, 0% gravel, 0% rock, 5% muck
Type: lake · Hydrology: SEEPAGE
Lake Location
43.72350° N, 89.08400° W
WBIC 103700 · 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 Heart Lake? Local dining recommendations coming soon.
Content coming soon
Insider Tips
Local knowledge about Heart 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
Present
Curly-Leaf Pondweed, Eurasian Water-Milfoil
Seasonal Notes
See below
Ice-out dates, peak fishing windows
Seasonal notes for Heart Lake coming soon — ice-out timing, peak fishing windows, and fall color dates.
Condition data sourced from Wisconsin DNR surveys. Real-time weed and clarity reports coming soon.
Invasive Species Present
Curly-Leaf Pondweed and Eurasian Water-Milfoil have been documented in Heart Lake. Clean, drain, and dry all watercraft and equipment before leaving.
Report sightings to the Wisconsin DNR invasive species hotline.Frequently Asked Questions
Can you boat on Heart Lake?
Heart 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 Heart Lake?
Heart Lake has 18 acres in surface area, a maximum depth of 2 feet.
What is the bottom of Heart Lake like?
The lake bottom is composed of 95% sand, 0% gravel, 0% rock, 5% muck. Sandy and gravel bottoms typically support good swimming and healthy fish habitat.
Are there invasive species in Heart Lake?
Yes — Curly-Leaf Pondweed and Eurasian Water-Milfoil have been documented in Heart Lake. Please clean, drain, and dry your watercraft and all equipment before leaving any Wisconsin water body to prevent the spread of invasive species.
Where is Heart Lake located?
Heart Lake is located in Green Lake County, Wisconsin. GPS coordinates: 43.7235° N, 89.0840° W.
Are there vacation rentals on Heart Lake?
Stay Northern is building the most complete rental directory for Green Lake County lakes. Check our Heart Lake vacation rentals listing — if none are available yet, check back soon or browse nearby Green Lake County lake rentals.
Fishing Regulations
Current season regulations for Heart 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 | See specific species regulations in this group. | — |
| Channel Catfish | Open All Year | No minimum length limit and the daily bag limit is 25, 25 in total, but only 24 if one flathead catfish is included. | — |
| Cisco And Whitefish | Open All Year | No minimum length limit and the daily bag limit is 10. | — |
| Flathead Catfish | May 2, 2026 to September 30, 2026 | The minimum length is 30, but flathead catfish from 36" to 42" may not be kept.The daily bag limit is 1. | — |
| 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 | The minimum length limit is 26" and the daily bag limit is 2. | — |
| 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
- 103700
- County
- Green Lake County
- Surface Area
- 18 acres
- Max Depth
- 2 ft
- Bottom
- 95% sand, 0% gravel, 0% rock, 5% muck
- Lake Type
- lake
- Coordinates
- 43.7235, -89.0840
Boat Rentals Nearby
Pontoon
Listing soonFishing Boat + Motor
Listing soonKayak / Canoe
Listing soonKnow a local boat rental operator near Heart Lake? Let us know.
Lake data sourced from the Wisconsin DNR. Last updated 3/24/2026.