Do sharks swim around Alcatraz?

Each year, this small population of around 300 adults returns in the fall to our National Marine Sanctuary during Sharktober. Several events of tagged white sharks have been documented passing through the Golden Gate swimming along the waterfront and circling past Alcatraz before leaving again.



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Swimming from Alcatraz is one of the most famous, desirable, and enjoyable open water swims (wild swim) in the entire world. Despite lore that swimming from Alcatraz is dangerous, for experienced swimmers with proper support, swimming from Alcatraz can be safe and fun.

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A few years ago a 13 foot sturgeon was caught in the Bay. And as everyone reminds me, three Alcatraz inmates escaped their cells on a cold, dark night in 1962, entered the frigid waters, and were never seen or heard from again. Open-water swimming has a long and colorful history.

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The bay is actually only as deep as a swimming pool. Heck, between Hayward and San Mateo to San Jose it averages 12 to 36 inches. So much for that bridge! With that said though, the water surrounding Alcatraz is on the deeper end of the scale, but still, it's just an average depth of 43 feet.

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Alcatraz officials have suggested they drowned or died of hypothermia. Read more Alcatraz stories here. But now, more than 50 years later, the Anglin family has provided evidence that the men might have survived.

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There a chartered bus transported them to an undisclosed airport where a U.S. Immigration Service airplane took them to their new institutions in Leavenworth, Kan.; McNeill Island, Wash.; Lewisburg, Pa.; or Atlanta, Ga.

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Every year, there are a total of 18 overnight stays available on Alcatraz, and a staggering number of 200 to 400 groups compete for the opportunity to secure one of these spots.

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Temperatures on Alcatraz Island seldom rise above 75°F (24°C) or fall below 38°F (3°C). It almost never snows on the Island, but winters can be wet and cold. Afternoon winds are common during every season.

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Frank Lucas Bolt Little has been documented about Alcatraz's LGBTQ+ prisoners, but gay men did play a role in the infamous prison. In fact, it was a queer man, Frank Lucas Bolt, who served as the prison's first official inmate.

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“Their fate is unknown.” And it remains unknown. Technically, fugitives Frank Morris, Charles Anglin and John Anglin are still wanted men.

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How many people died while at Alcatraz? There were eight people murdered by inmates on Alcatraz. Five men committed suicide, and fifteen died from natural illnesses. The Island also boasted it's own morgue but no autopsies were performed there.

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The use of hot water in the showers was also intended to prevent prisoners from becoming acclimated to the cold water and thus reducing their chances of survival in the event of an escape attempt. The water was often scalding hot, which made showering uncomfortable and even dangerous for some inmates.

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As Alcatraz had no water supply of its own, it had to import it from the mainland, brought by tug and barge. During the island's military years, it was stored in ground tanks and cisterns situated on the roof of the citadel. The water tower was built in 1940–41 by the Federal Bureau of Prisons.

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Begun in 1849, the fortress was originally intended to guard against foreign invasion of San Francisco which had boomed during the gold rush. Alcatraz also played an important role in the Civil War, protecting San Francisco from Confederate raiders.

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