The Laguna Cliffs Marriott Resort & Spa in Dana Point, California, will undergo a multimillion-dollar renovation and convert to the luxury JW Marriott brand as The Ocean Cliffs at Dana Point, a JW Marriott Resort. The 371-key property will continue to be managed by Plano, Texas-based Aimbridge Hospitality. Upon debut, it will offer redesigned guest rooms, an expanded multiacre event lawn, a revamped arrival area, a signature chef-driven restaurant, and enhanced meetings and events facilities including a new 6,000-square-foot ballroom. Global design firms HKS and ROAM are overseeing the project. The conversion comes as Marriott International expands the JW Marriott brand amid a strong-perfor…