Bruno Abndank-Abakanowicz was the mathematician, engineer, and inventor responsible for constructing a Neo-Gothic castle on a French private island, both of which are currently for sale. The property is an amalgam of lush, untamed vegetation, and is less than a half mile from the mainland. The chteau itself covers some 3,230 square feet, and another 2.3 acres of land can accommodate a vast garden. There are 200 different species of trees, shrubs, and flowers on the small island.The Lithuanian-Polish genius chose this island on on Brittanys Pink Granite Coast for his home. Bretagne Nord Sotheby's International RealtyThe island was long a meeting place for members of the Polish intelligentsia living in France and the castle was a source of inspiration for writers including Henryk Sienkiewicz, author of Quo Vadis, first published in 1895 (the year the chteau was constructed). This book would go on to become an international success translated into many languages. The writer was awarded the Nobel Prize for Literature in 1905. Architecturally, the Breton building is spread over four levels and a basement, with period features such as the fully preserved Knights Hall. An impressive reception room and a banqueting hall add to its splendor.In term so of modern amenities, the five-bedroom house also boasts a TV room, several terraces, a fitness room, a heated swimming pool with massage jets, and separate outbuildings for guests. As befits a private island, there are also two sandy beaches where you can swim in peace and quiet. Two docks make it easy to travel by boat between the island and the mainland while at low tide, the island can also be reached on foot or by 4x4 vehicles.The French private island and accompanying chteau at 9,500,000 euros, exclusively through Bretagne Nord Sothebys International Realty.Maison Trgastel, as listed on Sothebys, sits on over 100,00 square-feet of land. Bretagne Nord Sotheby's International Realty