October through April gives you warmer days and clearer skies for desert tours, though Iquique is dry year-round. The shoulder months (April-May, September-October) mean fewer crowds if you're booking group activities. Check before you go since weather can affect high-altitude tours to places like Isluga National Park.

A few days works for city tours and shuttle services, but popular multi-day or full-day excursions - especially those covering Humberstone, the red lagoon, or Salar del Huasco - book better a week ahead. That gives you real choice of departure times and guides.

Most visitors rely on organized tours for anything beyond the city center since attractions like the geoglyphs at Pintados and the salt flats are spread across remote desert. Shuttle services from the airport or city get you sorted for transfers, and once you're booked on a tour, transport is handled.

Absolutely. The Atacama landscape is massive and the sites - ghost towns, ancient geoglyphs, colored lagoons - need context to make sense. Local guides know the history and geology, and they handle navigation across terrain where it's easy to get turned around.

Most full-day packages bundle vehicle transport, entrance fees to sites like Humberstone, and lunch in nearby towns such as Pica. Some stop at multiple locations - say, Humberstone plus Santa Laura plus a salt flat. Check your booking details to confirm what's covered since offerings vary.

City tours and shorter activities like sandboarding are accessible for most ages and abilities. High-altitude tours (Isluga, Salar del Huasco) demand reasonable fitness and can affect people sensitive to elevation. Ask the operator about specific terrain and pace before booking.

Organized sandboarding tours include instruction and gear, which makes sense if you've never done it. If you're experienced, rentals give you more freedom. Either way, check if transport from your hotel is included, as the sand dunes aren't walking distance from downtown.