The Diamond Auto Spa

05/25/2026

🇺🇸 Memorial Day Special at The Diamond Auto Spa! 🇺🇸

This Memorial Day, we’re celebrating with an exclusive app-only promotion! 🚗✨

Download The Diamond Auto Spa mobile app today and unlock special savings, including a $1 OFF Memorial Day wash code valid 5/24-5/25/2026 only!

✅ Fast & convenient
✅ Exclusive deals
✅ Manage wash clubs right from your phone

Don’t miss out — keep your ride shining all holiday weekend long! 🇺🇸

📍The Diamond Auto Spa – Denver, Iowa
Download the app today!

05/25/2026

05/24/2026

👉Be sure to download our mobile app to score Memorial Day deals. 🚗💎 Enter MEMORIAL1 as a promocode in the app for $1 off any automatic wash at The Diamond Auto Spa. 💎

05/24/2026

The Diamond Auto Spa remembers our heroes who have bravely served our country.
Thank you!

05/09/2026

🛻🚗 Hitting the garage sales in Denver this weekend?

While you’re in town, give your vehicle the shine it deserves at The Diamond Auto Spa! ✨

Conveniently located right next to Casey’s and just off Highway 63, we’re the perfect quick stop to wash away the dust from a day of bargain hunting.

Clean cars just look better cruising garage sales. 😉

📍 The Diamond Auto Spa – Denver, IA
Next to Casey’s • Right off Highway 63
Open 24/7