Marine Office in Cagayan de Oro? Philippine Coast Guard Station

There is no dedicated "marina office" in Cagayan de Oro. However, the Philippine Coast Guard (PCG) operates a station at the Port of Cagayan de Oro:

Philippine Coast Guard Station
Port of Cagayan de Oro
Cagayan de Oro City, 9000
Philippines

The PCG handles maritime law enforcement, search and rescue, and marine environmental protection.