Once completed in 2010, Block 21 will become the shopping and cultural center of Austin's 2nd Street District. The 37 story building will feature an entire city block of mixed-use development including W Hotel & Residences. W Residences will feature 159 homes and W Hotel will offer 252 guestrooms combining the signature W design with Austin's distinct vibe. Block 21 will also be the new home of the Austin City Limits Studio Theatre with 2,500 seat capacity. The rest of Block 21 is rounded out by 25,000 square feet of new shops, restaurants, a spa and entertainment venues. W Austin Hotel & Residences will be a LEED certified project when completed.