Sky Office Tower is a dual business tower, elliptically shaped, located in Zagreb, Croatia, north of the Zagrebačka Avenue, near the intersection with Zagrebačka cesta. The office tower was completed in 2012. It is one of the few high-rise construction projects in Zagreb that persisted throughout the economic crisis in 2010. The tower has 22 floors above ground and four underground floors. In 2007, the whole project was estimated to cost 76 million euros.