The secret is out, Crown Bay offers the most competitive Homeowners Association fees in the Downtown San Diego Marina District. This downtown property offers plenty of amenities, as well as a few hidden surprises just outside the front door! Find out why many wise San Diegans have chosen to make Crown Bay their new Downtown San Diego condo. Crown Bay is a stunning example of art nouveau architecture. Standing six stories tall, Crown Bay is comprised of 84 residential units, with choices available in 1 and 2 bedroom condos that range in size from approximately 673 to 1226 square feet.