FIRST. properties in Oman. Located on the south-eastern edge of the Arabian Gulf, the Sultanate of Oman is one of the world’s best kept secrets. A country of culture and cultivation, Oman’s political and economic stability and infrastructure make it a welcoming place for investors. Here you can spend a night under the stars in the desert, climb majestic mountains, wander in lush wadis or dive with whale sharks in Arabian fjords. Invest now in your luxury estate.