NORFOLK, VA. — Cushman & Wakefield | Thalhimer has arranged the $18.6 million sale of Main Street Tower, a 14-story office building located at 300 E. Main St. in downtown Norfolk. A Chicago-based investment fund acquired the asset from an undisclosed seller. Eric Robison and Rob Wright of Cushman & Wakefield | Thalhimer arranged the transaction. The 199,621-square-foot office building was 73 percent leased to seven tenants at the time of sale. The United States Coast Guard anchors the building.