Madrid offers various luggage storage options for travelers:

- Train Stations: Atocha and Chamartín train stations have left luggage facilities.
- Airport:  Madrid-Barajas Airport has left luggage offices in various terminals.
- City Center:  Companies like Locker in the City and Stow Your Bags offer luggage storage in central locations.
- Specialized Services:  Radical Storage and LuggageHero connect you with a network of shops and hotels offering luggage storage.

Consider location, price, and convenience when choosing the best option for you.