I wonder if an outboard will do better in brackish water. I have an inboard on the river and it has been maintenance intensive with corrosion issues. I have an inboard on a lake and I have never replaced the manifolds from factory, and that boat was made in 1985!
what is the typical maintenance required for an I/O in brackish/salt water besides a fresh water flush of the system after use. Also do they have a heat exchanger system available that uses antifreeze in the engine and salt water running over the exchanger to keep salt water out of the engine?