Phoenix Airport sits close to downtown and Sanya Bay, but if you booked Yalong Bay or Haitang Bay it's still a 30–50 minute ride away. Compare taxi, DiDi, bus and train with real fares before you walk out of Arrivals.
The good news: Sanya has a single airport, so there's none of the two-terminal confusion you get in bigger cities. The thing to know first is that Sanya's hotels are split across several "bays," and they sit a long way apart. The airport is on the western, Sanya Bay side of the city, so you can reach downtown, Sanya Bay and Dadonghai in roughly 20 minutes. But Yalong Bay and Haitang Bay are out to the east — a further 30–50 minutes. The first thing to sort before booking is which bay your hotel is in, then read the option that matches you.
Sanya's main airport, handling both domestic Chinese and international flights. It sits on the western side of the city, about 14 km from downtown and right by Sanya Bay — so it's very close to the downtown, Sanya Bay and Dadonghai zones.
Sanya isn't one single centre; it's a string of seaside bays, each with its own character and its own distance from the airport. Pick the wrong bay and the round-trip transfers to the airport and to the sights can quietly eat into your budget and your time.
Sanya has no metro or subway, so the main way visitors get around is by ride-hail — read this before you leave Arrivals.
Not for getting into downtown Sanya, but brilliant for car-free east-coast day trips.
Something many visitors miss: right next to Sanya airport is the Phoenix Airport high-speed rail station (凤凰机场站), one of the stops on the Hainan island ring high-speed railway (海南环岛高铁) — the only loop high-speed line in the world that circles an entire island. This station isn't really designed to get you into downtown Sanya (a taxi or DiDi is easier for that), but it's superb if you want to head out along the east coast without renting a car.
In the Sanya area the main stops are Sanya Station (三亚站, central/west), Yalong Bay Station (亚龙湾站, to the east) and Phoenix Airport Station (凤凰机场站, beside the airport) — board at whichever is closest to your destination.
The train from Sanya Station to Lingshui takes about 20–30 minutes — the jump-off point for Boundary Island and the east-coast strip. Fast, and no traffic to gamble on.
Sanya ↔ Haikou takes about 1.5–2 hours (the east line via Lingshui / Wanning / Qionghai). Worth it if you want to see both cities on one trip without renting a car.
The ring line connects the coastal cities all the way round; you can circle the whole island in about 3 hours. Handy if you're planning a car-free Hainan trip across several stops.
Sanya is a thoroughly Chinese resort city: English is limited and almost everything is paid by phone. Set up these four things while you're still home and the whole arrival gets a lot easier.
Link a Visa or Mastercard in international mode beforehand. You'll use it for DiDi, buses, restaurants and attraction tickets — in Sanya you barely need cash at all.
Save your hotel's name and address in Chinese characters on your phone (from the booking page or by asking the hotel) to show taxi drivers — many can't read the English name.
You need data to call a DiDi and scan to pay, and many familiar apps (Google Maps, LINE) don't work in China. Sort an eSIM and a VPN before you go, and use Amap (高德) or Apple Maps instead of Google.
Before you call a ride, be clear whether your hotel is in Sanya Bay, Dadonghai, Yalong Bay or Haitang Bay — the fare can double between them, and it helps you budget transfers across the whole trip.