Welcome to Tranquil Oasis Retreat, where tranquility and excitement harmoniously intertwine. Immerse yourself in a world of luxury, indulge in the thrill of the casino, and discover a serene escape that will rejuvenate your soul. Experience the ultimate blend of tranquility and excitement at Tranquil Oasis Retreat, your gateway to an unforgettable journey. In our website we showcase the amenities and luxuries that Grand Sierra Resort and Casino offer!