In 1889 a wall was built to fix the position of a naturally occurring channel between the lakes and the ocean at Lakes Entrance , to stabilise the water level , create a harbour for fishing boats and open up the lakes to shipping .
In 1889 a wall was built to fix the position of a natural channel between the lakes and the ocean at Lakes Entrance . This stabilised the water level , made a harbour for fishing boats and opened the lakes to shipping .