Arriving in Okinawa with children does not have to be complicated, but it helps to plan your airport transfer before you land.
The Car Seat Situation
Japanese law requires child restraints for children under 6. However, standard taxis are legally exempt from this requirement, meaning taxi drivers will not provide car seats and are not required to have them. If child safety during the drive matters to you, and it should for the longer routes to resort areas, you need to book a private transfer and specifically request the appropriate seats when booking. Most transfer services offer infant seats, toddler seats, and booster seats if asked in advance.
Luggage Reality Check
Families travel heavy. Between strollers, car seats you might bring from home, suitcases, and carry-on bags, you can easily exceed what fits in a standard taxi. A typical Okinawa taxi trunk fits two large suitcases at best. If you have more than that, you will either need two taxis or a pre-booked larger vehicle like a minivan or people carrier.
The Monorail with Kids
The Yui Rail monorail is stroller-friendly and has elevators at every station. Children under 6 ride free and ages 6-11 pay half fare. It works well for families heading to central Naha if you are not carrying too much. The ride is short, air-conditioned, and kids tend to enjoy the elevated views. The main downside is navigating a stroller plus luggage during rush hours when trains get crowded.
The Limousine Bus with Kids
The airport bus to the resort hotels has luggage storage underneath and comfortable seating. Children under 6 ride free (one per adult) and ages 6-11 are half price. The ride can be 60-120 minutes depending on your resort, which is a long time with tired or restless children. There is no onboard restroom.
Best Option for Most Families
For families with young children heading to the resort areas, a private transfer in a minivan is the most practical choice. You get door-to-door service, child seats arranged in advance, space for all your luggage, and a direct route without stops at other hotels. The cost for a family minivan to Onna Village runs about 12,000-16,000 yen, which is reasonable when you consider the alternative of wrangling kids and bags through bus transfers.
Practical Tips
Bring snacks and water for the drive north, as it can take over an hour. Download offline maps since mobile signal can be patchy in some areas. If your children need nap time, time your transfer to align with it. The drive from the airport along the coast is scenic and can keep older children entertained. Convenience stores (konbini) are everywhere in Okinawa if you need to stop for supplies.