Systems, methods, and other embodiments associated with computerized item rental using beacons are described. In one embodiment, a method includes maintaining a data structure mapping user identifiers to beacon identifiers associated with rental items being rented by corresponding users. The example method may also receiving a beacon signal from a beacon device associated with a rental time. The example method may also include querying the data structure using a beacon identifier extracted from the beacon signal to determine if the rental item is rented or available for rent. The example method may also include creating an entry within the data structure to indicate that the rental item is now being rented.