Getting around Civitavecchia is easiest by foot or taxi. Taxis are readily available and affordable. The estimated travel time from the airport to the city center is approximately 1 hour and the estimated cost is €100.
If you have more time, consider visiting some of the beaches near Civitavecchia like Santa Severa or Santa Marinella. If you have less time, you can skip the Terme Taurine and Forte Michelangelo and spend more time exploring the city center.