A method of locating a lock box , the method comprising: obtaining a saved location of the lock box using an application operated via a first cellular telephone , the saved location of the lock box being accurate within a first selected radius (R1); the lock box including a shackle and a key storage area; displaying the saved location of the lock box on the first cellular telephone via the application ; detecting a Bluetooth advertisement of the lock box using the first cellular telephone ; determining a received signal strength indicator (RSSI) of the Bluetooth advertisement ; determining a distance between the first cellular telephone and the lock box in response to the RSSI of the Bluetooth advertisement ; and displaying a distance indicator depicting the distance between the first cellular telephone and the lock box on the first cellular telephone via the application ; receiving at the lock box an access request from the first cellular telephone; unlocking the shackle or the key storage area in response to the access request from the first cellular telephone; wherein prior to obtaining the saved location, the method further comprises: receiving a user input on a second cellular telephone through an application operated via the second cellular telephone , the user input indicating that the lock box was installed; detecting a location of the second cellular telephone when the lock box was installed; equating the saved location of the lock box to the location of the second cellular telephone when the lock box was installed; and saving the saved location of the lock box . obtaining a saved location of the lock box using an application operated via a first cellular telephone , the saved location of the lock box being accurate within a first selected radius (R1); the lock box including a shackle and a key storage area; displaying the saved location of the lock box on the first cellular telephone via the application ; detecting a Bluetooth advertisement of the lock box using the first cellular telephone ; determining a received signal strength indicator (RSSI) of the Bluetooth advertisement ; determining a distance between the first cellular telephone and the lock box in response to the RSSI of the Bluetooth advertisement ; and displaying a distance indicator depicting the distance between the first cellular telephone and the lock box on the first cellular telephone via the application ; receiving at the lock box an access request from the first cellular telephone; unlocking the shackle or the key storage area in response to the access request from the first cellular telephone; wherein prior to obtaining the saved location, the method further comprises: receiving a user input on a second cellular telephone through an application operated via the second cellular telephone , the user input indicating that the lock box was installed; detecting a location of the second cellular telephone when the lock box was installed; equating the saved location of the lock box to the location of the second cellular telephone when the lock box was installed; and saving the saved location of the lock box . receiving a user input on a second cellular telephone through an application operated via the second cellular telephone , the user input indicating that the lock box was installed; detecting a location of the second cellular telephone when the lock box was installed; equating the saved location of the lock box to the location of the second cellular telephone when the lock box was installed; and saving the saved location of the lock box . <EOS>