La Isabela International Airport Car Rentals: Best Rates & Zero Hidden Fees

US tourists can technically use their US license, but an International Driving Permit (IDP) is strongly recommended. The IDP translates your license into Spanish and is often required by rental agencies and police checkpoints. You can get an IDP through AAA for about $20. Without it, you risk being turned away or facing fines if stopped.

Basic liability insurance is legally required, but full coverage (CDW/LDW) costs $20-$40 per day extra—and it's worth every penny. Road conditions are unpredictable, traffic accidents are common, and vehicle theft does occur. Your US credit card likely won't cover damages here. Budget $150-$280 per week for comprehensive coverage to avoid paying thousands out of pocket for a dent or totaled car.

The main highway (Autopista Duarte) connecting Santo Domingo to Santiago has toll booths charging RD$185-RD$555 (~$3-10 USD). Cash and some credit cards work, but US chip cards often have issues. Rental transponders are available for ~$10/day but aren't necessary unless you're traveling frequently. For occasional use, carry small denominations of Dominican pesos to avoid card rejections at tolls.

Expect to pay a young driver surcharge of $25-$35 per day if you're under 25. At 22, you legally qualify to rent but will face this additional fee. There's no way to bypass it through loyalty programs or other tricks—the law requires it. A 7-day rental could add $175-$245 in fees. Book early with international agencies like Hertz or Avis, which tend to have clearer pricing than local companies.

Hurricane season runs June-November, with heaviest rains in August-October. Flooding on low-lying roads is common, and visibility drops dramatically during tropical storms. However, canceling your trip isn't necessary—just avoid driving during active storms, stick to major highways, and never attempt to cross flooded roads (even shallow ones can sweep your car away). The rest of the year offers ideal driving conditions.