There's a snack bar/deli on site. You can enjoy a drink at the bar/lounge. Free breakfast is available daily. WiFi is free in public spaces.
The business-friendly La Casa sul Mare also features tour/ticket assistance, room service (during limited hours), and a front desk safe. An airport shuttle (available 24 hours) is available for a fee.
Smoking is allowed in designated areas at this Civitavecchia guest house.