Car Rentals in Greece: What You Need to Know Locally
Mainland Greece and its islands operate on completely different rules when it comes to renting a vehicle. Between rental companies that only exist on specific islands, winding mountain roads in Crete or the Peloponnese, and ferry crossings to plan out, a few local ground rules make all the difference.
Renting on the Mainland vs. an Island: Two Different Realities
On the mainland (Athens, Thessaloniki), the market looks similar to the rest of Europe: major international brands anchored at the airport, local agencies dotted around the city, and heavy competition that keeps prices reasonable.
On the islands, the dynamic shifts. Vehicle choices are tighter, particularly in peak season, and small local agencies dominate the market on destinations like Santorini, Mykonos, Naxos, or Paros. In fact, some major international chains lack physical desks there altogether, operating instead through partnerships with local operators.
A one-way rental between two different islands, or between an island and the mainland, is generally impossible or prohibitively expensive. You will need to drop the vehicle back off on the exact island where you picked it up.
How Much Does a Car Rental Cost in Greece?
Rates swing wildly depending on the season and the exact destination. A compact economy car is generally much cheaper on the mainland than during July and August on major tourist islands, where demand spikes against a limited supply.
The most heavily visited islands (Santorini, Mykonos, southern Crete) command higher prices than quieter outposts. High season in July and August can push rates up significantly compared to spring or fall.
Keep in mind: Booking several weeks or even months ahead for a July or August rental on a popular island drastically reduces your chances of getting stuck without a car and secures a better rate.
Greek Roads: How They Impact Your Vehicle Choice
The Greek road network, particularly across the islands and in mountainous regions, directly dictates what kind of car you should book.
- In Crete, the Peloponnese, or volcanic islands like Santorini, roads are frequently narrow, winding, and steep, making a compact car far easier to maneuver than a large sedan.
- Unpaved dirt tracks leading to secluded beaches or remote villages can call for a 4x4, which several local island agencies offer.
- Scooters and quads, heavily promoted in island resort zones, require specific license classes that you should double-check before reserving.
Ferry Crossings: A Uniquely Greek Hurdle
If your itinerary involves taking your rental car on a ferry from one island to another, virtually all rental agreements forbid it. Greek rental companies generally reserve that option for personal vehicles or very specific waivers rarely granted by standard rental agencies.
In the vast majority of cases, it is much simpler to rent a separate vehicle on each individual island you visit.
Local vs. International Companies in Greece
Choosing between a major global brand and a local Greek agency comes down entirely to where you are heading.
On the mainland and at major airports like Athens or Thessaloniki, international chains provide a standardized experience, terminal desks, and newer fleets.
On the islands, local agencies are sometimes your only route to quality service, bringing deep insider knowledge of local conditions like strong winds, extreme heat, and rough secondary roads. Some even drop the vehicle off directly at your hotel or the port, a convenience larger chains rarely offer on smaller islands.
Documents and Rules for Driving in Greece
- US citizens driving in Greece technically require an International Driving Permit (IDP) alongside a valid US driver's license, though rental desks vary in enforcement. It is best to secure one through AAA before leaving.
- The minimum age to rent is usually 21, with a young driver surcharge often applying up to age 23 or 25 depending on the company.
- Driving is on the right side of the road.
When Should You Book Your Trip to Greece?
The Greek tourist high season spans from June through September, peaking sharply in July and August. This is when island vehicle availability hits its absolute limit. Book several months in advance, especially for the islands.
Traveling in the spring (April-May) or early fall (September-October) usually makes finding a car easier and cheaper while delivering warm weather across most of the islands and the mainland.