The Airbnb is located in a central square for Ostia, the cab ride is about 30 euros but if you take from the airport it is a fixed rate of 48 euros. Uber is here but I couldn't find any signage for the area where to be picked up like American airports. The quality of this airbnb is amazing and very clean. Be advised eat before you check in most of the restaurants in the area close for two hours and reopen from 7-830 pm depending on location. Trip Advisor provided great recommendations. The security of the apartment is top tier with upper middle and lower deadbolts. The beach is less than 5 minute walk. Nadia was very helpful with calling us a cab in the morning to the airport and her communications throughout the process were very thorough. If you plan on setting up the night before for the airport I recommend unerring from Rome for 86 euro instead of taking train to airport then taking a cab to Ostia.