All vessels at sea use a red light on the port side (left facing forward to front of vessel), and a green light on the starboard side (right).
Red
Red marks the Port or left side. (Green is Starboard or the right-hand side.) Port
you are on the port side of the vessel
The port side of a vessel is indeed the left side as you look forwards on nthe vessel.
The red light is called the Port side and is on the left as you are piloting the vessel. The right side is called the Starboard and the colored light is green.
If you are standing in the center of the vessel facing to the front the port side is on your left and the starboard side is on your right.
RED
The red light should be on the right side, or port side, of the boat. The green light should be on the left, or starboard, side of the boat.
Red
Red
it is known as the port shingle