Hawkeye Hotels Inc., a company active in Greater Des Moines hotel development, has bought the Radisson Quad-City Plaza in Davenport, which is connected by skywalks to the city’s RiverCenter and historic Adler Theater. The company, with corporate offices in Coralville, plans to renovate the property, which has 221 rooms and 9,200 square feet of meeting space. It is part of the city’s riverfront entertainment, shopping and business area. Hawkeye Hotels now has 15 hotels in Iowa, including the Residence Inn and Hampton Inn & Suites in downtown Des Moines. An affiliate plans a $37 million rehabilitation of the historic Hotel Fort Des Moines.