6 car washes ranked by our Value Score — find the best value near you.
Marathon has 6 car washes in our directory, including 3 detailing services. The 5 with Google ratings average 4.36 stars across 273 reviews, in line with the Florida average of 4.31. Key's Car Wash ranks first with a Value Score of 57/100, followed by S&J New Generation Detailing Spa for your car at 52. Of the 6, 1 offers free vacuums and 1 is open 24 hours. Scores follow our published 100-point formula.
Last updated: October 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 57/100, 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 4.4 stars among those with ratings. The top-scoring wash here is Key's Car Wash at 57/100.
1 car wash in Marathon offers free vacuums, including Key's Car Wash. Look for the '✓ Free Vacuums' tag on listings throughout our directory.
1 car wash in Marathon offers professional hand-wash service, which is the right choice when you want every panel cleaned by hand rather than by tunnel brushes. Florida keys auto stylist carwash is the highest-scoring hand wash in the area, at 32/100.
By Value Score, a 0–100 rating built from each wash's Google rating, review volume, free amenities and payment options. In Marathon, scores run from 0 to 57, and 0 of 6 rate Great (60+) or higher. See how we rate car washes for the full formula.