The trolling motor releasable mounting bracket system is for trolling motors (e.g., GPS guided trolling motors), includes its own power plug within the assembly, and is configured to mount a trolling motor to a vessel deck. The system includes a motor bracket and a vessel bracket. The motor bracket includes a receiving section to slidably receive the vessel bracket therein. The motor bracket further includes a motor power cord section including a motor power cord channel configured to route a motor power cord and secure an associated motor power connector therein. The vessel bracket includes a vessel power cord section including a vessel power cord channel configured to route a vessel power cord and secure an associated vessel power connector therein, And, the motor power cord channel and the vessel power cord channel are configured to align the respective motor power connector and the vessel power connector.