6 car washes ranked by our Value Score — find the best value near you.
There are 6 car washes in Marathon, FL currently listed in our directory, ranked using our unique Value Score system. Based on our Value Score ranking, Key's Car Wash is the top-rated car wash in Marathon with a score of 47.8/100 and a 3.7-star Google rating. The Value Score is our 0-100 ranking system that evaluates car washes based on Google rating (30 pts), review volume (15 pts), free amenities like vacuums, spray cleaners and microfiber towels (40 pts), and available payment options (15 pts).
Last updated: July 2026
Based on our Value Score, Key's Car Wash is the top-rated car wash in Marathon with a 3.7-star Google rating from 240 reviews. It scored 47.8/100, factoring in ratings, review volume, free amenities, and payment options.
There are 6 car washes in Marathon currently listed in our directory, with an average Google rating of 3.7 stars across all locations. Each is ranked using our Value Score system to help you find the best option for your needs.
1 car washes in Marathon offer free vacuums, including Key's Car Wash. Look for the '✓ Free Vacuums' tag on listings throughout our directory.
1 car washes in Marathon include undercarriage spray service, which matters in Florida where road salt, beach grit, and lawn-irrigation runoff all collect on the underside of your vehicle and accelerate rust if left untreated.
The Value Score is our 0–100 ranking system that evaluates each car wash on four factors: Google rating (30 pts), review volume (15 pts), free amenities like vacuums, spray cleaners and microfiber towels (40 pts), and available payment options including mobile pay (15 pts). It rewards locations that deliver real value, not just the highest prices.