Waikiki, Hawaii, has undergone major multimillion-dollar overhauls—including a $60 million to $70 million multi-phase renovation led by firms like MASON and Stellar—to update all 421 guest rooms, corridors, elevators, and HVAC systemWaikiki, Hawaii, has undergone major multimillion-dollar overhauls—including a $60 million to $70 million multi-phase renovation led by firms like MASON and Stellar—to update all 421 guest rooms, corridors, elevators, and HVAC system