Is 0.230 square kilometers as big as Alcatraz?
It's about two-and-a-half times as big as Alcatraz
The size of Alcatraz is about 0.089 square kilometers.
(a.k.a. The Rock) (California)
Alcatraz Island measures 0.089 sq. km. It is known a part of the Golden Gate National Recreation Area, and has historically served as a lighthouse, fort, military prison, and — most famously — a federal prison.
There's more! See other comparisons to 0.230 square kilometers...