The Marriott Riverside mixes regional style and ease making it the perfect choice of Riverside California hotels for business and pleasure which is located in the heart of historic downtown, beside the convention center.This Marriott Riverside hotel is just minutes away from trendy shopping, outdoor adventures, and world-famous entertainment sights such as the California Speedway and Ontario Mills. Choose from 292 guest rooms and 24 suites all equipped with high-speed Internet, dual-line phones, and premium- cable. Looking to host a business or social event? Our full-service Riverside California hotel features 14,000 square feet of space, including 14 function rooms and a grand ballroom for up to 300 guests. Enjoy 45,000 square feet of additional space at the convention center next door. Whether it s business or pleasure that brings you to our hotel in Riverside, you enjoy the signature service that only Marriott can provide.