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Aquatic Park is one of San Francisco’s most beloved waterfront destinations.

Nestled in the heart of the city, this national landmark is home to the Maritime Museum, a grassy area, bleachers, a beach, and a cove. The star of the show, however, is the pier, also known as Municipal or Muni pier, which creates the protected waters of the cove. Completed in 1933, the pier was designed to provide a safe place for San Franciscans to swim and recreate.

Unfortunately, age, tide, and earthquakes have taken their toll on the pier, resulting in its closure in October 2022 due to structural damage.

Despite its current state, the Municipal Pier remains an important feature of the Aquatic Park National Historic Landmark District. The pier was built to replace the former U.S. Army Quartermaster’s Pier at the northwest corner of Black Point Cove and incorporated an innovative baffle system that mitigates the effects of the bay currents on Aquatic Park Cove. The pier also included electrical power lines for lamps along the length of the structure, and water conveyance infrastructure for a convenience and lifesaving station, which was planned for the end of the pier but never completed.

The baffles incorporated into the pier serve as a breakwater, absorbing energy from the bay’s tides and pacifying the cove’s water. Over the years, riprap has been added to act against scouring at the mud line. Curvilinear with a round bulb-like end, the pier consists of a concrete deck road supported by reinforced concrete and jacketed wood pilings. Concrete curbs along the outer edges of the roadway served both as a conduit for utility pipes and a divider between vehicles and pedestrians.

Benches and streetlights are located at even intervals along the length of the pier. The pier railing was designed to accommodate the placement of the concrete benches and to provide easier fishing access. During the military’s use of the park between 1942 and 1948, a U.S. Army tug collided with the pier, causing severe structural damage. Repairs were made in 1947 and the pier was returned to the city in early 1948. The pier was also seriously damaged again on February 3, 1953, when rammed in heavy fog by a freighter.

The Municipal Pier has played an important role in San Francisco’s history and culture. In addition to providing pedestrian access to the bay, the pier has also functioned as a tidal energy dampener, contributing to the protection of the cove. T

The pier’s closure in 2022 is a reminder of the importance of preserving historic landmarks and protecting them from the natural elements. The Aquatic Park Bathhouse Building, home to the Maritime Museum, is another important landmark in the district. The building was built in 1939 as a joint project of the City of San Francisco and the New Deal Works Progress Administration (WPA), and is the focal point of the Aquatic Park Historic Landmark District. This unique structure was designed in the Streamline Moderne style, a late offshoot of the Art Deco period, and mimics the clean lines of an ocean liner.

The Maritime Museum, located in the Aquatic Park Bathhouse building, features an exhibit called “Maritime Arts – At Sea and Ashore.” This exhibit showcases the skills and techniques of the sailors’ trade. The museum provides a glimpse into San Francisco’s rich maritime history and the role the city played in the development of the West Coast.

In conclusion, Aquatic Park is a must-visit destination for anyone interested in San Francisco’s history and culture. While the Municipal Pier is currently closed, it remains an important feature of the Golden Gate National Recreation Area.


Here are 5 fun facts about the swimming clubs in Aquatic Park:

  1. The Dolphin Club, founded in 1877, is one of the oldest swimming and rowing clubs in the United States. Its members have swum across the Golden Gate, Alcatraz, and around the Farallon Islands.
  2. The South End Rowing Club, established in 1873, is the oldest and largest open-water swimming and rowing club in San Francisco. Its members have participated in various local and international swimming events, including the English Channel.
  3. The San Francisco Tsunami Aquatics is an LGBTQ+ and allies swim team that practices at Aquatic Park. It was founded in 1985 and has since become a welcoming and supportive community for swimmers of all levels.
  4. The Night Train Swimmers is a group of endurance swimmers who train at Aquatic Park and have completed several open water swimming challenges, including the Catalina Channel and the English Channel.
  5. The Aquatic Park Historic District was designated as a National Historic Landmark in 1987, in recognition of its significance as a site of recreational swimming and rowing, as well as for its unique architectural and engineering features. The swimming clubs are an integral part of this historic district and contribute to its vibrant community spirit.

What buildings, attractions, and sites are part of Aquatic Park?

Aquatic park contains the Maritime Museum, grassy area, bleachers, beach, and cove. The municipal pier creates the protected waters of the cove.

Aquatic Park is part of the Maritime National Park and is located on the San Francisco Bay waterfront. It features a swimmer-filled lagoon and sandy beach all protected by the arc-shaped Municipal Pier.  Visitors can kick back on the sandy beach, and enjoy the view of swimmers braving the chilly bay waters. Views of Alcatraz and The Golden Gate Bridge can be enjoyed by all.

Nearby attractions include the flotilla of historic ships at the Hyde Street Pier, the Maritime Museum housed in a streamlined modern building, and Fort Mason also part of the National Park.

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