Tenerife is compact — roughly 80 km across — but mountainous, so getting around takes a little planning. The good news: the roads are excellent, a modern motorway rings the coast, and you have several easy options. Here is how to move around the island depending on your plans.
Renting a car is the single best way to see the real Tenerife. If you want to reach Teide, the Anaga and Masca mountains, the wild northern beaches or the quiet villages, a car pays for itself in freedom. Rates are among the cheapest in Europe, the motorway (TF-1 in the south, TF-5 in the north) is fast and free, and you can book on arrival at either airport. Two cautions: the mountain roads are winding — take them slowly — and parking in the busy resorts and old towns can be tight, so use the car parks.
If you are staying put in a southern resort, you may not need a car at all. In Playa de las Americas, Los Cristianos and Costa Adeje, the beaches, restaurants, nightlife and activities — including Fun Zone and our axe throwing, escape games and quiz room — are all walkable or a short taxi ride apart.
The public bus network (TITSA, the green "guaguas") is cheap, reliable and surprisingly far-reaching, connecting the resorts, the airports, Santa Cruz and even Teide. Pick up a rechargeable "ten+" travel card for the best fares. It is slower than driving and rural services can be infrequent, but for getting between the main towns it works well and costs very little.
Taxis are plentiful, metered and reasonable for short hops around the resorts. For longer journeys they add up fast, so compare with a rental day. For airport-to-hotel, a pre-booked private transfer is usually cheaper and less stressful than a taxi, especially for groups with luggage.
A practical note on day trips and activities: most organised excursions — whale-watching boats, Teide tours, Masca hikes — include hotel pick-up, so you can leave the car behind on those days. You can see which experiences include transport on our things to do in Tenerife page.
The verdict: rent a car for at least a few days if you want to explore the island properly; lean on buses, taxis and your own two feet if you are keeping it simple in the south. Either way, the island is small, the roads are good, and nothing worth seeing is far away.