The San Diego Marriott Hotel and Marina in California, US, will undergo a $182m renovation.

The renovation will involve expansion of the 25-storey waterfront hotel, which is operated by Host Hotels & Resorts.

On completion of the renovation the 1,305-room hotel will feature a new 3,716m² exhibit hall and 3,716m² main ballroom, an outdoor event area, a pedestrian promenade and landscape improvements.

The project is expected to be complete within 20 months, according to local sources.