Washmaster Auto Spa Mobile Car Detailing serves Barrie, Ontario and surrounding Simcoe County areas as well as Innisfil, Collingwood and Newmarket. We are experts in car detailing and provide professional service. #Spring2024Promo Book Now Save 25%. Our Certified Mobile Detailers have exceptional attention to details and extensive training to ensure your vehicle, boat, motorcycle or RV get the best detailing quality. We have provided mobile detailing services to thousands of customers and proud to be a locally recognized brand that sets the standard for mobile car detailing. Whether you are looking for interior car detailing, paint correction, ceramic coating or to bring the shine back to your boat or truck we are a team you can trust.