Several taxis are available on Alonissos. The taxi stand is located at the port in Patitiri. Ask the drivers for a business card so you can contact them anytime – whether for a ride from one of the beaches or from the Old Village.

A public bus service connects the port of Patitiri with both the Old Village and the fishing village of Steni Vala. During the high season, the bus runs throughout the day, while in the low season, services are more limited. The current schedule can be found at the bus stops. Bus tickets are available at the small supermarket in the Old Village and at a ticket stand near the diving school at the port.

Additionally, "Alonissos Trans" offers rides to the beaches and the Old Village. Information about destinations, schedules, and tickets is available at the kiosk opposite the cafés in the port.

The Medical Center (+30 24240 65208) is located at the junction at the top of the main road and provides primary medical care.

Two pharmacies (+30 24240 66096) on the main road offer consultations and over-the-counter medications.

The post office is also situated on the main road.

The National Bank of Greece is near the port on the main road and is open on Mondays and Tuesdays from 9:00 AM to 2:00 PM. An ATM is available, and additional ATMs can be found at the port of Patitiri and in the Old Village near Taverna Panselinos.

The fire station (+30 24240 65199) is located at the upper end of the main road. During the hot and dry summer months, firefighters are especially active, patrolling the island's forested areas. If you notice smoke or signs of a fire while out and about, do not hesitate to call the fire department immediately.

The police station (+30 24240 65205) is on the first floor of a building opposite the pharmacy. The entrance is on the side of the building on the first floor. Hopefully, you won't need their services.

Shops in Patitiri are open from 8:00 AM to 2:00 PM and reopen after the siesta at 5:00 PM. In the Old Village, opening hours vary depending on the shop – all are open in the evening, but daytime hours may differ, especially during siesta time.

The bakery in the Old Village opens at 8:00 AM and closes at 1:00 PM. It offers a good selection of bread, croissants, pastries, and beverages.

Maria’s supermarket at the bus stop in the Old Village is open all morning and evening during the summer. It stocks a wide range of groceries, drinks, and everything you might need for your holiday stay.