Thanks for the feedback from everyone!
Based on everyone's feedback I think I will go with the one CB for the 2 trolling motor locations for 1 trolling motor. The LEDs cumulatively generate less than a quarter of 1 Amp so I was not worried about overheating the navigation lights and interior...
I am a true novice at electrical projects but after reading many forums and listening to the dos and don'ts of running wire. This is what I have done so far...
1. Made my layout to include all of the electrical components on the boat.
2. Identified what I would like to have on/off switches for...