Strategic business location Place your business alongside big name brands, with Office Space in a strategically desirable location. Seattle’s Plaza 600 Business Center is nestled between the city’s retail core and South Lake Union, positioning your business amongst the global headquarters of many technology and retail giants. An iconic 20-story high-rise, the tall ceilings and large windows provide an abundance of natural light. During break times, take your pick of the many places to eat nearby, from hip eateries to high class restaurants.