The mosque is built on a site occupying 416,000 m2 (4,480,000 sq. ft.) and the complex extends to cover an area of 40,000 m2 (430,000 sq. ft.), the newly built Grand Mosque was inaugurated by Sultan of Oman on May 4, 2001.
The mosque is made of stone, with doors, windows and embellishments made of wood and glass, around 300,000 tons of Indian sandstone was imported to build the mosque.

Five minarets have been built around the premises of the mosque the main minaret (90 meters, 300 ft.) in height, and the four flanking minarets (45.5 meters, 149 ft.)

The prayer hall is square in shape and 74.4 by 74.4 meters (244 by 244 feet) has a central dome rising to a height of 50 meters (160 ft.) above the floor, the dome is embellished spectacularly from the inside and it is a major tourist attraction in itself, the main Musalla (Prayer Room) can hold over 6500 worshippers, while the women's Musalla (Prayer Room)can accommodate 750 worshipers, the outer paved ground can hold 8000 worshipers and there is additional space available in the interior courtyard and the passageways, making a total capacity of up to 20,000 worshipers.

The major design of the interior is the prayer carpet which covers the floor of the prayer hall, it contains, 1,700,000,000 knots, weighs 21 tons and took four years to produce, and brings together the classical Persian Tabriz, Kashan and Isfahan design traditions 28 colors in varying shades were used, the majority obtained from traditional vegetable dyes, it used to be the largest single-piece carpet in the world, but is now the second, after the Sheikh Zayed Mosque in Abu Dhabi, the UAE This hand-woven carpet was produced by Iran Carpet Company (ICC) at the order of the Diwan of the Royal Court of Sultanate of Oman

From Grand mosque continue your journey to the desert (Wahiba Sands) this spectacular desert has an Ares of 12,500 Square kilometers they called also Al Sharqiya Sands, formerly known as “Wahiba Sands” it's a region of desert in Oman the region was named for the Bani Wahiba tribe, divided between the northern and southern governorates in the Eastern Region, the area is defined by a boundary of 180 kilometers (110 mi) north to south and 80 kilometers (50 mi) east to west.