When the tide is low, it is a lovely little pond- perhaps knee-deep- surrounded by soft cushiony grass: a great place to lie back in fresh, cool water and escape the heat (you can't swim in the ocean due to crocs and box jellyfish). On the high tide, it produces the rare (for me, anyway) site of the sea lapping at green grass, as the saltwater mixes with the spring water.
I tried to take some photos on my phone. I don't think they do it justice, but am glad I didn't take the work camera given I slipped over on the moss and landed in a puddle.
Here they are: