Waukesha County’s Most Iconic Flea Market
Field Park · Mukwonago, Wisconsin · Since 1957
70th Annual Season — 2026Mark your calendar — Maxwell Street Days returns to Field Park four weekends throughout the summer and early fall.
⏰ Gates open daily 8:00 AM to 5:00 PM
Whether you’re a seasoned collector or a first-time visitor, there’s something for everyone across the grounds.
Hundreds of vendors with unique finds — from vintage furniture to rare coins and everything in between.
Local growers bring seasonal fruits, vegetables, plants, and farm products straight to the market.
Hand-crafted goods, custom items, tools, and specialty wares from local artisans and sellers.
Food vendors and refreshments available on the grounds throughout the day.
Field Park is located at the corner of Highway 83 and E. Veterans Way in Mukwonago, WI 53149. The main entrance is kitty-corner from Metro Market.
To keep the event safe and enjoyable for everyone, please keep these policies in mind.
Sites are available for all four weekends. Vendor management is handled by the Sons of the American Legion Squadron 375. Registration is by mail only — download the appropriate packet below, complete it in ink, and mail it with your payment.
If you did not sell at MSD in 2025 you are considered a new vendor. New vendor registrations are processed after April 1, 2026, in the order received. Please indicate your preferred site location using the park map below — we’ll do our best to accommodate, but all assignments are final.
Use the map below to indicate your preferred site location on your registration form. All site assignments are final.
Have questions about the event, vendor spaces, or anything else? Reach out and we’ll get back to you.