Just east of the Pier, the Third Street Promenade consists of three open-air, car-free blocks that are anchored by upscale Santa Monica Place, home to more than 80 retailers. The Third Street Promenade in downtown Santa Monica - three open-air, car-free shopping blocks just east of the Santa Monica Pier - is considered a premier shopping district on the Westside of Los Angeles. Unfortunately, their future in the park is uncertain and the Fund is actively working with park biologists to learn what is needed protect these magnificent animals. The Santa Monica Mountains Fund is dedicated to advancing research and conservation of the mountain lions that call the park home. After California mountain lion killed, this man made an offer: 'Money for the lion's life' Some took to social media or wrote letters after a local cougar was killed under the state's depredation law. D owntown Santa Monica is equal parts shopping haven and street-performer stage. Third Street Promenade Stores. There could have been mountain lion mayhem downtown Santa Monica had a three-year-old female feline -- discovered by an office park janitor -- decided to venture out into the bustling open-air shopping area known as the Third Street Promenade. Downtown Santa Monica is a world-class shopping, dining and entertainment destination located just steps from the beautiful Pacific Ocean, which contributes to the city’s delightfully temperate climate that lasts all year long.