Exterior, House Building Type, Concrete Siding Material, and Flat RoofLine Architect John Hix—who, as one might gather, worked under renowned American architect and concrete aficionado Louis Kahn—designed the hotel Hix Island House in Vieques, off Puerto Rico. The latest guest house on the property is called Casa Solaris and is entirely removed from the commercial grid, running completely on solar power. Photo by Michael Grimm.  Photo 3 of 8 in 8 Incredible Concrete Homes in Latin America from Modern Concrete Getaway in Paradise

8 Incredible Concrete Homes in Latin America

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Architect John Hix—who worked under renowned American architect and concrete aficionado Louis Kahn—designed the hotel Hix Island House in Vieques off Puerto Rico. The latest guest house on the property is called Casa Solaris and is entirely removed from the commercial grid, running completely on solar power.