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Treasure Island, California

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Title: Treasure Island, California  
Author: World Heritage Encyclopedia
Language: English
Subject: San Francisco Bay, San Francisco, Yerba Buena Island, San Francisco–Oakland Bay Bridge, List of artificial islands, Harbor Island (Seattle), Phenomenon (film), USS Potomac (AG-25), Pacific Clipper, Patch Adams (film)
Publisher: World Heritage Encyclopedia

Treasure Island, California

Treasure Island
Magic Isle[1]
landform & neighborhood
a man-made breakwater with rip-rap boulders and palm trees.
Name origin: Treasure Island (novel)
Coordinates 49|27|N|122|22|16|W|type:isle_region:US-CA name=


State Assembly
Jane Kim (Dist. 6)
ZIP Code 94130--0.9 sq mi (2.3 km2)[2]
Area code 415
FIPS code tbd
GNIS feature IDs[3] 236528 (island)
2624152 (bldg 157)
2506912 (Job Corps ctr)
Commons: commons:Category:Treasure Island, California|Treasure Island, California]]]]

Treasure Island is a man-made landform in San Francisco Bay and a neighborhood of the City of San Francisco. Built 1936-7 for the 1939 Golden Gate International Exposition, the island's World’s Fair site is a California Historical Landmark[4] with buildings having been listed on the NRHP, and the island's historical naval station and auxiliary air facility (for airships, blimps, dirigibles, planes and seaplanes) are designated in the Geographic Names Information System.[3]


The San Francisco neighborhood that includes Treasure Island extends far into San Francisco Bay and includes a tip of Alameda Island. Yerba Buena and Treasure islands together have a land area[verification needed] of 576.7 acres (233.4 ha) with a 2010 total population of 2,500.[5] Treasure Island and its 900 ft (270 m) causeway[6] total 535-acre (2.17 km2) connected by roadway (e.g., San Francisco Muni's bus 108: "108 Treasure Island") to Yerba Buena Island which has the Transbay Terminal ramps to the middle of I-80's San Francisco – Oakland Bay Bridge. The island has a marina and will have a bikeway connecting to the Eastern span replacement of the San Francisco – Oakland Bay Bridge when it is completed. Raised walkways circumscribe nearly the entire island along 5 streets. The main waterlines under the causeway are backed up by above-ground emergency manifolds to which 6 in (150 mm) diameter hose can be connected (e.g., from a large hose spool affixed to a mobile truck after an earthquake).


Prior to the island's construction by the 4 March 1937 when 2 hangars were being built.

"On Monday, February 18, 1939, the “Magic Isle”" opened

Military base

For the nearby former Hill Park military cemetery and the NRHP "Quarters 1 Nimitz House", see Yerba Buena Island.

Naval Station Treasure Island began under a 1941[8] war lease as a United States Navy "reception center"[9] and in 1942, the Navy offered to exchange its Mills Field on the San Francisco Peninsula for the island. "The U.S. Navy seized Treasure Island" on April 17, 1942[8] and instead of an island airport, the city built an airport at Mills Field that became the San Francisco International Airport (the naval station closed in 1997). The station had a Naval Auxiliary Air Facility[3] and a Navy/USMC electronics school.[10] The station was identified by the 1991 Base Realignment and Closure Commission, and remaining military structures include bldg. 600 on Avenue M and 10th Street (former Naval Firefighting School, now SFFD's Treasure Island Training Facility), bldg. 157 (Navy firehouse) on Avenue D and 10th Street (now SFFD Station 48), and the 20,000 sq ft (1,900 m2) bldg. 180 by US Naval Station Way & California Ave (now a winery).[11]

SAC radar station
The Treasure Island Radar Bomb Scoring Site (call sign San Francisco Bomb Plot)[12] was a Strategic Air Command (SAC) automatic tracking radar facility established on the island.[specify] Major Posey was the c. 1948 commander[13] of Detachment B (Capt Carlson on 1 August 1949)[14] which evaluated simulated bombing missions on targets in the San Francisco metropolitan area for maintaining Cold War bomber crews' proficiency. A nearby "Stockton Bomb Plot (Det I)" moved to Charlotte in 1950, and the Treasure Island unit was redesignated Detachment 13 in 1951, the year 3 other SAC detachments used a nearby staging/preparation area for deploying via the bay for Korean War ground-directed bombing (cf. the Sacramento Bomb Plot at a McClellan AFB Annex in 1951.)[13] On 16 October 1951, Treasure Island's Det 13 was assigned under March AFB's 3933rd Radar Bomb Scoring Squadron before moving from the island by 10 August 1954 when the 11th RBS Squadron was activated.

Film stages and settings

From the late 1980s, Treasure Island's old aircraft Hangar 2 (Building 2) and Hangar 3 (Building 3) served as sound stages for film-making and TV, e.g., The Matrix ("bullet time" visual effect), Rent, and "The Pursuit of Happyness". Treasure Island was a film setting of the 1988 Indiana Jones and the Last Crusade (Berlin airport scene), 1995 Copycat (private compound), 1997 Flubber, 1998 What Dreams May Come, 1998 Patch Adams, 1998 The Parent Trap and 1999 Bicentennial Man. An establishing shot of the 1954 The Caine Mutiny shows the island to indicate the location of the 18xx trial. For 3 years Treasure Island served as the site of the Battlebots TV show. The offices and penthouse apartment sets in Nash Bridges were located on the island during the show's production (1996–2001).[18] The island was featured as the base of operations for the prototypers in the 2008 Discovery Channel series Prototype This!. One of the warehouses on Treasure Island served as a film setting for an NBC series titled Trauma.

Remediation and redevelopment

Cleanup crews spent several weeks cleaning the island's coast from the 2007 Cosco Busan oil spill just a few hundred yards from Treasure Island, and the Navy sold the island to the city for $108 million as part of a redevelopment project. The Administration Building and Hall of Transportation were listed in the National Register of Historic Places in 2008. On June 8, 2011, the San Francisco Board of Supervisors approved new neighborhood development for 19,000 people over the next 20–30 years by Wilson Meany Sullivan, Lennar Urban, and Kenwood Investments.[19] The 2012-2014 US$1.5 billion Treasure Island Development project for up to 8,000 new residences, 140,000 sq ft (13,000 m2) of new commercial and retail space, 100,000 sq ft (9,300 m2) of new office space, 3 hotels, and 300 acres (120 ha) of parks.[20] The island's gas station pumps and canopy were also removed (the island has a high risk of soil liquefaction in an earthquake).[opinion]

By December 17, 2010, "Navy contractors had dug up and hauled off 16,000 cubic yards of contaminated dirt, some with radiation levels 400 times the Environmental Protection Agency’s human exposure limits for topsoil."[21] In April 2013, Caesium-137 levels three times higher than previously recorded were found (the island hosted "radioactive ships from Bikini Atoll atomic tests and [was] a major education center training personnel for nuclear war"[22]---the "USS Pandemonium" (PCDC-1)[23] mockup had begun nuclear training in 1957.[24]

External media
World's Fair montage with tower
World's Fair films (YouTube)


San Francisco Bay Area portal


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