Casa Heyne tile bathtub. CASA HEYNE is a colonial hacienda style home built in 2000 of adobe in the Lavanderia area of San Miguel. Local workmen, woodworkers, stonemasons, iron workers and decorative painters handcrafted this 18,000 sq. foot plus home. Set on a hillside on the edge of the Historical district on a rock wall amid bougainvilleas and extensive gardens, it is only a 12-minute walk to the Jardin.