Is 150 acres as big as Alcatraz?
It's about seven times as big as Alcatraz

The size of Alcatraz is about 22 acres.
(a.k.a. The Rock) (California)
Alcatraz Island measures 22 acres. 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 150 acres...