It depends if you are in Region A or Region B
port / left side
Starboard (right) side
Starboard (right) side
should be on the right
always kept on the starboard side
port / left side
Always kept on the starboard side
Always kept on the starboard side
Always kept on the port side
The green buoy should be on the left (port) side of the boat as you are entering port.
Red right returning.
Red right returning.