Shhhh, it's Salt Pier.
If that's it I can attest it's no longer a secret! The site is completely overrun with tourists, sunbathers, snorkelers and divers.
At Salt Pier there is a large wooden box filled beyond capacity with salt crystals offering tourists a little souvenir. We typically drove past it four times a day on our way to and from the southern dive sites. Throughout the day, especially in the morning, we noticed vehicles abruptly stopping in the middle of the road, a jammed packed parking lot and people lined up at that box. By late afternoon the box appeared pretty empty. Sadly the same thought filled my dark twisted cynical mind every time we drove by...the last thing most of these people need is more salt.