- The Oasis Inn is located in the St. Joseph Valley. Only five minutes away from the main highways, The Oasis Inn is ideally located midway between the Piarco International Airport and the city of Port of Spain. Our large studio apartments offer guests the flexibility of either a quick overnight layover, or a fully self contained apartment for longer stays. Rooms are outfitted with airconditioning, cable tv, wi-fi, washer/dryer and kitchen facilities. The Oasis Inn is located in a secure gated community.