Scott W.
8/24/2025
We used to go to Mullens years ago when the only location was in Watertown. This time, we stumbled across another Mullens, right next door to the restaurant where we had lunch. There's no indoor...
Mullen’s Dairy Bar
Closed
(8)
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120 E Wisconsin Ave
Oconomowoc, WI 53066
Mullen's Dairy Bar is a popular ice cream and dining destination with locations in Watertown, Oconomowoc, and Delafield, Wisconsin. Known for its delicious treats and inviting atmosphere, it serves a diverse menu that caters to a variety of tastes.
With a commitment to quality and customer satisfaction, Mullen's Dairy Bar has become a beloved spot for families and friends looking to enjoy a sweet treat or a casual meal together. The welcoming environment and friendly staff contribute to its reputation as a local favorite.
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Reviews
3.58 reviews
Katie S.
11/13/2025
I loveeee Mullen's!! Such a cute walk up window in Oconomowoc right on the lake. So many good flavors!! Birthday cake, double dough, cookies n cream, espresso oreo, dirt cake, gingerbread... yumm!
Grace C.
7/23/2024
Mullens has some of the best ice cream in one of the best locations! Located right off the boardwalk, it is truly a taste of summer both for your tastebuds and your spirit. The line can get...
Barry L.
6/4/2023
Second visit but we will be back. Fast and friendly service. Good ice cream, not custard, but very good. One scoop is $4 and is equivalent to a large at the local gelato shop just down the way....
Dianne L.
6/20/2025
Worst Chicago dog ever- bun was dry/stale. Staff chatting with each other while customers waited to get their order taken
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