A method of controlling trim position of two or more propulsion devices on a marine vessel includes receiving a running trim position for the two or more propulsion devices and receiving at least one of a steering input value or a roll angle of the marine vessel. An adjusted trim position for each of the at least two propulsion devices is then determined based on the running trim position and the steering input value or the roll angle of the marine vessel. A trim actuator for each propulsion device is then operated to move each propulsion device toward its respective adjusted trim position.