[7] The state record rainbow trout was set in 1997 at 27 pounds, 2 ounces and 42.5 inches long.

In 1999 the state record pink salmon was also caught in Lake Michigan out of Kewaunee County waters.

In 2005, the state record white perch was taken out of the Kewaunee County portion of Green Bay.

[9] New salmon and trout fingerling stocking in the spring and egg and milt collection from late September to early November takes place at the C.D.

[11] A 2016 survey of Wisconsin anglers found they would on average pay $140 for a trip to catch Chinook salmon, $90 for lake trout, and $180 for walleye.

[14] The sucker run, which was a popular fishing event in the 19th century,[15] occurs in March and April.

The Daniel Lyons shipwreck near Algoma is used as a dive site, but the America near Carlton is less visited by divers due to its remote location.

The Dana Farm (childhood home of Ransom Asa Moore) was relocated to the Winter Park.

[24] Two other state-owned parks are Mashek Creek Public Access[25] and the Brusky Wildlife Area.

[26] There are also 27 municipal parks operated by the cities of Algoma, Kewaunee, and the Village of Luxembourg.

[27] There are four public beaches in the county, three of which are routinely monitored for water quality advisories.

Altogether there are ten public access sites to Lake Michigan and Green Bay in the county.

[32] Limestone kiln remnants of historical interest are open to the public at the Bruemmer Park and Zoo.

[33] 279.54 acres (113.13 hectares) of privately owned land is open to the public for hunting, fishing, hiking, sight-seeing and cross-country skiing under the Managed Forest Program.

[35] A 1980 inventory of natural areas recognized Duvall Swamp, Alaska Bog, Krok Woods, Kewaunee River Marshes, Cosco Tamarack Woods, Broemmer Creek Headwaters, Alaska Lake, Three Mile Creek Tag Alder, Silver Lake, Krohn's Lake, and the Ahnapee River Swamps.

[37][38] In 2016, 586 plant species were listed in a checklist for the county that excluded mosses, liverworts, and hornworts.

[58] The area was recognized as part of a larger federally designated wine grape-growing region in 2012.

[63] Both sale prices and rental values of agricultural land are higher than the average for Wisconsin counties.

[65] In a forested environment, Hortonville and Symco soils have an average of 7.6% and 13.2% organic matter, respectably.

[67] The northern part of the county is on the Door Peninsula between Green Bay and Lake Michigan.

The national marine sanctuary is the site of a large number of historically significant shipwrecks.

Combined, this positive net migration along with the natural increase raised the county population by an estimated 208 persons during this period.

[90] Additionally, there were 10 reported induced abortions performed on women of Kewaunee County residence in 2017.

[98] In 2015, 89.1% of babies born in the county had a normal birth weight, compared to 92.6% for the state.

The substance abuse and preventable hospitalization rates for the county were lower than for the state as a whole.

[102] PCBs from Green Bay have been deposited into the county as windborn dust[103] and off of contaminated waters.

[109] An electronic map marks the locations of every septic system and drain field, along with situations more liable to spread fecal contamination, such as areas with a shallow water table, high permeability, or likely to have karst features.

[110] A different electronic map shows the locations of private wells polluted with nitrates and other contaminants down to the section level.

[116] 19th-century Algoma (at the time called Ahnapee) was host to a longstanding inter-ethnic economic struggle over pier pricing and access.

The western portion of this line provides freight service to Luxemburg to the present day, but not further east.