Mika Mattingly has closed yet another off-market deal for New York developer Moishe Mana, whose ambitious plans include a sizable redevelopment of downtown Miami.

Mattingly, who co-leads Colliers International’s urban core division in Miami, represented Mana on his latest Flagler Street purchase, a vacant lot that went for $4 million. The 6,000-square-foot vacant lot at 30 E. Flagler St. is one of several sites Mattingly has helped the investor assemble over the last couple of years.