This post contains affiliate links. If you book a rental through one, I may earn a commission at no extra cost to you.
Short answer: if you are staying in one resort area and do not plan on leaving it, you can get by without one. If you want to see the things Maui is actually known for, you will need a car.
What public transit actually covers
Maui has a real public bus system, not just a token one. The Maui Bus runs 13 local routes plus 4 commuter routes, seven days a week, from around 5:30 AM to 10 PM. It does reach the main tourist towns: Ka’anapali, Kapalua, Kihei, Lahaina, Wailea, Ma’alaea (home of the Maui Ocean Center), Paia, and Kahului, including the airport.
So if your whole trip is “fly in, stay at a resort in Ka’anapali or Wailea, go to the beach,” you genuinely do not need to rent anything. The bus can get you between towns and to the airport.
Where the bus cannot take you
The two things most people actually come to Maui for are not on any bus route: the Road to Hana and Haleakala National Park. Neither is served by public transit at all. If seeing the sunrise from Haleakala’s summit or driving the Hana Highway is on your list, a rental car (or a booked tour) is the only way to do either.
The bus system is also built more for residents commuting between towns than for visitors bouncing between attractions on their own schedule. Routes run on fixed schedules, not on-demand, so even where it does reach, it is slower and less flexible than driving yourself.
The honest way to decide
- Staying put in one resort area, not chasing the big drives? Skip the rental, save the money, use the bus or resort shuttles.
- Want Haleakala, Hana, or the freedom to stop wherever looks interesting? You need a car. There is no real substitute.
If that is you, the next question is where to actually pick one up — see the Kahului Airport rental car guide for how that works.