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South St. Louis

Delivering clean cars – with speed and a smile – since 2018. Looking for car wash services as well as free self-serve vacuums? You can find us on Kingshighway and Southwest near Tower Grove Park.


Car Wash Hours

Gas Station Hours

Express Service
Self-Serve Vacuums

Store Amenities

  • Air pump
  • Express store
  • Free self-serve vacuums
  • Free WiFi
  • Ride Thru

Car Wash Services

Express Clean

When you need a speedy car wash.


Express Shine

Add protection to your quick car wash.

Wheel Deal Express

A speedy car wash with clean and shiny wheels included. 

Hot Wax Express, plus Wheels & Tires

You’ll drive away in a car cleaned, protected, and shined, including its undercarriage, wheels, and tires.



You’ll drive away in a car cleaned, protected, and Ceramic shined, including its undercarriage, wheels, and tires.

Meet our Car Wash General Manager Tyler Malerich

Drive away happy or it's free. Your happiness is our #1 priority. If your service isn't fast, fantastic, and first-rate, it's free. That's the Waterway 100% unconditional satisfaction guarantee. You just say the word, every Waterway team member is here to make your experience exceptional. Go fast, go clean, go happy!

Fast, Clean, and 100% Happy, or it's free.

General Manager

Tyler Malerich

Contact Tyler




You Can Shine at Waterway

Working at Waterway is more than a job. You can develop skills that will benefit you for your entire career, all while making customers happy every day. Waterway Blue will look good on you.

View Hourly Positions

View Management Positions

About Our People

Our Community


We are proud to be a part of The Hill, a tight-knit community where people watch out for each other. Many small businesses in the area thrive on their proximity to the city and attract people from all over the region for great food and fun. Since opening in this location in 2018, Waterway has received a warm welcome from the surrounding communities, and we look forward to participating as pre-pandemic events start to return.

We have supported The Hill Business Association since we opened our doors.

Request a donation

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Frequently Asked Questions

What car washes do you offer?

We offer a variety of wash packages, from quick exterior washes to full-service options with interior vacuuming and floor-mat cleaning! For a full wash menu, select Wash Services at the top of the page. 

Do you sell gift cards or coupons?

We sell a variety of car wash coupons and gift memberships online.

When are you open?

We are open every day! Each location has different hours, which you can view by selecting Locations at the top of the page, and choosing the desired store.

Can I get a membership for my taxi, limo, for-hire, or rideshare vehicle?

We offer two membership levels for taxis, limos, for-hire and rideshare vehicles that give you UNLIMITED exterior car washes and discounts on our interior washes.

What are the benefits of becoming a Clean Car Club member?

Our memberships give you UNLIMITED car washes so you can come as often as you like! With four levels from which to choose, there is a perfect fit for everyone. Learn about all the benefits of membership by selecting Clean Car Club at the top of the page.

I have a question about my membership; who can help me?

You can contact our customer service team at 636-537-1111 or ask in person at any location.