2016, 2017, 2018, & 2019 - #1 Marriott in North America - Guest Satisfaction. Discover a one-of-a-kind hotel experience at the Buffalo Marriott HARBORCENTER. We feature a location inside the HARBORCENTER complex, providing unparalleled access to the best of downtown Buffalo. Our newly constructed hotel's sophisticated, contemporary guest rooms offer the comforts of home, with high-speed Internet, plush bedding, and a 55-inch flat-screen TV. Hotel guests can benefit from a range of useful amenities, including a fitness center and an outstanding hotel restaurant, which offers delicious dining and scenic views of the Canalside District, Lake Erie and City of Buffalo.