Angelina, 38, was especially energized in the wake of finding its two homes were outlined by Brad's favourite engineer Frank Lloyd Wright.
A source uncovered: "As soon as Angelina heard the island was available she orchestrated a survey. She was truly awed.
"The house is ideal for sentimental getaways or as a family withdraw. It's extremely private. Also Angelina knows the reality the island is fit as a fiddle of a heart will mean such a great amount of to him."
Selective 11-plot of land equal to 4840 square yards Petra - which has a helicopter cushion - is off the Us drift 50 miles north of New York City.
The bungalow was placed up in 1950, nine prior years Wright's demise. The fundamental house was implicit 2008 from a Wright plan and is one of his most fantastic outlines.
See picture of Island beneath....
In 2006 Angelina assumed a tour of Wright's home Fallingwater which was finished in 1939.
Cara Armstrong, Fallingwater's Curator of Education said: "He was unbelievably overall educated about structural planning.
"Encountering Fallingwater in individual, listening to the waterfall course under the house was superior to anything he envisioned."
In 2011, for Brad's 48th special day, Angelina purchased a waterfall in California so he could fabricate a house over it enlivened by Fallingwater.
The source included: "The truth he could now live in a house composed by one of his objects of worship will make this his best special day present ever."
Ocean's 11 star Brad and Oscar champ Angelina have been together since 2005.