Lakeshore State Park Splash Area

Humboldt Park is the Bay View neighborhood favorite — a lagoon, a small splash pad, a destination playground, and the Friday-night Chill on the Hill summer concert series that turns the park into a south-side block party. The pad is gentle and toddler-sized. Free parking is decent on weekdays; Friday concert nights fill everything within blocks. Parent gotcha: the lagoon edges are unfenced and the geese are bold. The Bay View food strip on Kinnickinnic is one of Milwaukee's best — walk for tacos, ice cream, or pizza after. South-side Milwaukee summer done right.

Pere Marquette Park sits on the Milwaukee River right in downtown Milwaukee and the splash pad is one of the city's best free urban water stops — interactive jets, river views, and the Riverwalk running right alongside for a stroll after. Free for the splash pad, paid parking nearby (try the MSOE ramps on weekends for cheaper rates). Restrooms are clean and seasonal. Parent gotcha: shade is limited so morning visits before 11am are dramatically more comfortable on hot days, especially before the lake-effect breeze fades. Pair with the Milwaukee Public Market or a stop at Comet Café. Downtown Milwaukee's compact free family stop, river breeze included.

Red Arrow Park is the downtown Milwaukee plaza famous for its winter ice rink — but the summer water sprays and shaded plaza are an underrated free family stop in the same spot. The Starbucks-on-the-rink café operates year-round and the spray feature gives kids a 30-minute downtown cool-down. Paid garages are plentiful; metered spots are easy on weekends. Parent gotcha: the plaza is small and not a destination by itself — pair it with a Riverwalk stroll or the nearby Milwaukee Public Library. Walk to Mader's for German lunch. Quiet downtown Milwaukee discovery, especially good before a Bucks or Brewers game.

Veterans Park is the Milwaukee lakefront kite hill — a sloped lawn, a small lagoon with paddleboat rentals, a destination playground, and a kids' spray feature for the cool-down after kite-flying. The pad is gentle and toddler-sized. Free parking is generous but Summerfest week (late June-early July) fills everything within a mile. Parent gotcha: the lagoon edges are unfenced and the geese can be aggressive — keep snacks zipped. Lake Michigan winds can chill the spray pad fast. Pack a picnic for the lawn. Pair with the free Milwaukee Art Museum first Thursdays. Lakefront Milwaukee summer at its best.

Olbrich Park is the east-side Madison lakeside green and the pairing with the free Olbrich Botanical Gardens next door makes it the most well-rounded free family afternoon in Madison. The spray feature is modest and toddler-sized; the bigger draw is the Bolz Conservatory and the outdoor garden display. Free parking is plentiful. Best on weekday mornings before the conservatory's school groups arrive. Parent gotcha: the conservatory is hot and humid; do it before the spray, not after. Pack a picnic for the lakeside lawn. Pair with a stop at Atwood Avenue for dinner. East Madison summer done right.

Veterans Park is the Milwaukee lakefront kite hill — a sloped lawn, a small lagoon with paddleboat rentals, a destination playground, and a kids' spray feature for the cool-down after kite-flying. The pad is gentle and toddler-sized. Free parking is generous but Summerfest week (late June-early July) fills everything within a mile. Parent gotcha: the lagoon edges are unfenced and the geese can be aggressive — keep snacks zipped. Lake Michigan winds can chill the spray pad fast. Pack a picnic for the lawn. Pair with the free Milwaukee Art Museum first Thursdays. Lakefront Milwaukee summer at its best.

Monona Terrace's rooftop fountain plaza is the most architecturally photogenic splash spot in Wisconsin — Frank Lloyd Wright-designed terrace overlooking Lake Monona with the State Capitol dome rising in the other direction. The fountain is more interactive plaza than splash pad; kids dart through the jets while you take in the view. Paid parking in the Terrace garage is the easy move. Best on weekday mornings; the rooftop hosts events most summer evenings. Parent gotcha: the terrace edges are railed but the granite is slick when wet. Walk to State Street for ice cream after. Madison's signature kid photo, hands down.

Humboldt Park is the Bay View neighborhood favorite — a lagoon, a small splash pad, a destination playground, and the Friday-night Chill on the Hill summer concert series that turns the park into a south-side block party. The pad is gentle and toddler-sized. Free parking is decent on weekdays; Friday concert nights fill everything within blocks. Parent gotcha: the lagoon edges are unfenced and the geese are bold. The Bay View food strip on Kinnickinnic is one of Milwaukee's best — walk for tacos, ice cream, or pizza after. South-side Milwaukee summer done right.