Maryland Code, Business Regulation § 15-103

(1) the hotel provides a safe or other secure depository for keeping valuables of guests;

(2) the guest does not deposit the valuable with the hotel for safekeeping; and

(3) the loss does not result from the collusion or negligence of the hotel or its agent.

(b)(1) A hotel is not liable for more than $300 for the loss of valuables that a guest deposits with the hotel for safekeeping unless, at the time of deposit, the guest shows the valuables to an agent of the hotel and declares a greater value to the agent.

(2) A hotel need not accept for safekeeping valuables with a declared value of more than $1,000.