Starbucks and sushi are set to come to Yonkers as developers continue to lease space at the Boyce Thompson Center in the northwest part of the city. Officials announced on Wednesday that Starbucks Coffee has signed a lease for 2,049-square-feet of space on the plaza level of the building on North Broadway, while ISO, a Japanese sushi restaurant will be signing on to lease a 2,580-square-foot space at the 85,000-square-foot mixed-use center.