Wyndham San Diego Bayside. Located directly across from the picturesque San Diego bay and conveniently near downtown, the Wyndham San Diego Bayside hotel in San Diego, CA is the embodiment of the laid back California attitude. Take a walk down and bask in the world famous perfect weather. At Wyndham San Diego Bayside hotel, we invite you to discover all that the city has to offer, with a convenient San Diego downtown hotel location to begin your adventures. Located in San Diego center, 250 m from the Maritime Museum of San Diego, 650 m from the Museum of Contemporary Art, 2.5 km from Embarcadero Marina Park South, 3 km from both Petco Park and San Diego International Airport, 4 km from a Zoo and 139 km from John Wayne Airport.