Various implementations described herein are directed to a trolling motor including an electric motor having a propeller coupled thereto, a shaft configured for coupling the electric motor to a watercraft. The shaft is configured to rotate relative to the watercraft and the shaft defines an internal passage. The trolling motor also includes a housing that encapsulates the motor, a removable nosecone operably coupled to the housing opposite the propeller and configured to encapsulate at least one marine device. One or more mechanical connection features are provided to enable removable connection of the nosecone to the remainder of the trolling motor housing. One or more electrical connection features are provided to enable electrical connection of the at least one marine device through the trolling motor housing.