€25–€35/day for a Fiat Panda, Hyundai i10, or Toyota Aygo in May–June and September–October, rising to €40–€60/day for the same Category A class in July through mid-September. Andros Car Rental quoted €40/day for delivery to Batsi in October in a 2024 TripAdvisor review, while Colours Rent A Car was reported at €25/day in mid-June and €35/day in mid-August in older forum data. Entity → attribute → value: local agencies such as Avance, Andros Rent a Car, Escape in Andros, Andros Car Hire, George's Rent-A-Car, Paradise Andros Cars, Captains Holidays, Drive + Ride, Tassos Rent a Car, and Euro Rent a Car (Anna Vrettou) no airport, so the practical route is Athens International Airport (ATH) → Rafina port → Gavrio Port by ferry. Rafina port is the closest mainland port to Athens Airport, and the airport-to-port transfer takes about 30 minutes by taxi or bus. From Rafina port, high-speed ferries such as Gavrio Port in about 45 minutes, while conventional ferries usually take 1 hour 55 minutes to 2 hours; Ferryhopper data shows up to 28 weekly sailings in the high season. Gavrio Port sits in the in the South Aegean, and the island’s road access starts on the EO Andros provincial road toward Batsi and Chora. Entity → attribute → value: the Andros ferry transfer is defined by Rafina port as the mainland departure point, Gavrio Port as the island arrival point, and Seajets or conventional ferries as the transport options do not allow ferrying a car to Andros, and the few that permit it usually require written approval, a ferry fee, and special insurance terms. Hertz may allow ferry travel with prior permission and a daily ferry charge of about, while Sixt may allow sea crossings but voids coverage during the ferry segment. The key risk is insurance: a ferry crossing can trigger a temporary loss of CDW, SCDW, FDW, zero excess, or full coverage protection unless the contract explicitly allows island transport. Some contracts also require of the card and may treat the ferry trip as an excluded use under the rental franchise rules. Entity → attribute → value: local island-first agencies such as Andros Car Rental, Andros Rent a Car, Escape in Andros, and Colours Rent A Car 4×4 is not needed for most of Andros, because a standard Fiat Panda, Hyundai i10, Toyota Aygo, Nissan Micra, Peugeot 208, Renault Clio, VW Polo, or Skoda Octavia can handle the paved routes to Gavrio, Batsi, Chora, Korthi, Apoikia, Stenies, Mesathouri, Menites, and Menites spring areas. The only truly demanding drives are the dirt tracks to, and some parts of the Petalo–Kouvara–Profitis Ilias massif. A 4×4 such as Suzuki Jimny, Suzuki Vitara, Dacia Duster 4WD, Audi Q3 4WD, Ford Kuga 4WD, or VW Cross Touran becomes useful for rough access, but even then the route quality changes with weather and traffic. A Dacia Sandero Stepway Hyundai Accent can be a practical middle ground for mixed paved-and-gravel plans. Entity → attribute → value: Achla beach has a dirt approach of about 9 km with a steep elevation change, while US, UK, Canada, Australia, or any EU/EEA state need an International Driving Permit for Greece under Law 4850/2021, Article 25 §3. That position aligns with Government Gazette A 208 (5 Nov 2021), and UK guidance updated on 1 August 2025 confirms UK licence holders can drive for visits up to 6 months. The practical rule on Andros is simple: a valid domestic licence is enough under Greek law, but some rental desks still ask for an IDP under internal policy. That gap usually appears at agencies with stricter documentation checks rather than at island-only local operators. Entity → attribute → value: Greek Law 4850/2021 Article 25 §3 is the controlling legal citation, and Government Gazette A 208 21 years old, although some companies require 23 years old for certain car groups. Tassos Rent a Car is a named local exception that asks for, and some international brands add a €5–€15/day young-driver surcharge for renters under. The age rule is tied to licence tenure as well: most agencies require the full licence to have been held for at least 1 year before pickup. That policy is common across island operators because small fleets need lower claim risk, especially in summer. Entity → attribute → value: Tassos Rent a Car is the clearest local age-policy exception, and Third-Party Liability, plus basic coverage, and many island contracts offer optional upgrades for reduced liability. 1. How much does car rental cost on Andros? Andros car rental typically costs €25–€35/day for a Fiat Panda, Hyundai i10, or Toyota Aygo in May–June and September–October, rising to €40–€60/day for the same Category A class in July through mid-September. Andros Car Rental quoted €40/day for delivery to Batsi in October in a 2024 TripAdvisor review, while Colours Rent A Car was reported at €25/day in mid-June and €35/day in mid-August in older forum data. 2. Where is the closest airport to Andros, and how do I get to the island? Andros has no airport, so the practical route is Athens International Airport (ATH) → Rafina port → Gavrio Port by ferry. Rafina port is the closest mainland port to Athens Airport, and the airport-to-port transfer takes about 30 minutes by taxi or bus. From Rafina port, high-speed ferries such as Seajets reach Gavrio Port in about 45 minutes, while conventional ferries usually take 1 hour 55 minutes to 2 hours. 3. Can I bring a mainland rental car on the ferry to Andros? Most mainland rental agencies do not allow ferrying a car to Andros, and the few that permit it usually require written approval, a ferry fee, and special insurance terms. Hertz may allow ferry travel with prior permission and a daily ferry charge of about €24.80/day. The key risk is insurance: a ferry crossing can trigger a temporary loss of CDW, SCDW, FDW, zero excess, or full coverage protection unless the contract explicitly allows island transport. 4. Do I need a 4×4 to explore Andros? A 4×4 is not needed for most of Andros, because a standard Fiat Panda, Hyundai i10, Toyota Aygo, Nissan Micra, Peugeot 208, Renault Clio, VW Polo, or Skoda Octavia can handle the paved routes to Gavrio, Batsi, Chora, Korthi, Apoikia, Stenies, Mesathouri, Menites, and Menites spring areas. The only truly demanding drives are the dirt tracks to Achla, Vori, and some parts of the Petalo–Kouvara–Profitis Ilias massif. 5. Do I need an International Driving Permit (IDP) on Andros? Drivers with a valid licence from the US, UK, Canada, Australia, or any EU/EEA state do not need an International Driving Permit for Greece under Law 4850/2021, Article 25 §3. That position aligns with Government Gazette A 208 (5 Nov 2021), and UK guidance updated on 1 August 2025 confirms UK licence holders can drive for visits up to 6 months.