The INMAA O2 Hotel Tower in Saudi Arabia, designed by Grandeur Design and Materials using their “One-stop design project plan,” showcases a high-end aesthetic with luxurious marble, warm neutral palettes, and modern linear lighting across public, office, amenity, and guest floors. The Ground Floor features a grand Reception Lobby with high ceilings, yellow-veined marble columns, intricate marble-inlay flooring, lounge areas, and direct outdoor access. The Mezzanine accommodates offices, management spaces, corridors, waiting areas, and service rooms with sleek minimalist finishes. The First Floor is dedicated to dining and café services, with formal table layouts, modern chandeliers, marble counters, and outdoor balcony seating. Typical guest floors, such as the fifth floor, offer luxurious suites with rich dark wood tones, textured feature walls, plush furnishings, marble-finished bathrooms with soaker tubs, dual vanities, and balconies with modern decking and green walls. The Roof Floor provides informal dining and social spaces, featuring indoor seating with wood flooring and an expansive outdoor deck for al fresco dining, combining comfort, elegance, and functional luxury throughout the tower.