The centerpiece of the inspiring San Diego Bay, San Diego Marriott Marquis & Marina is a premier San Diego, CA, hotel. With 1,360 guest rooms, 75,000 square feet of meeting space, a 446-slip marina and an environment that easily transitions from dynamic meetings to resort-style relaxation, our impressive San Diego hotel is a welcome escape. Adjacent to San Diego Convention Center and steps from the Gaslamp Quarter, our downtown San Diego, CA, hotels location provides convenient access to championship golf and popular attractions, like San Diego Zoo, SeaWorld San Diego and LEGOLAND California. Experience a grand sense of arrival in the new lobby of our distinctive San Diego Marquis hotel with personalized service from our dedicated staff. Unwind in a renovated guest room with sweeping bay views. From a state-of-the-art fitness center and an enticing new pool area to top-notch cuisine at our waterfront restaurants, it all comes together for an authentic downtown San Diego experience at our deluxe hotel.