My wife’s cousin posted on Facebook an article of Plemmiro as small town near Siracusa, Sicily. Last summer we spent 10 days in this seaside paradise. This is an area of lava and coral with a crystal clear sea. This location is short drive from Siracusa. It is very small town with 2 small grocery stores, a pizza place, and a restaurant. That being said, we had a ball. 
This is the view from our AirBnB. 
Scuba divers in the water across from our rocky beach area. Do not let the rocks deter you. You can go to public beaches a short walk down the road in either direction and pay a small fee to have umbrellas and beach chairs. They all serve food and beverages.
Public beach area a short walk from our Airbnb
Every night sunset!
A small church Santa Maria della Rocia del Plemmirio was packed on Sunday
Here is the web site for Plemmirio. If you visit Siracusa make this a day trip or stay with one of the BnBs in the area
Here is a very short video of the sea in action
From Youtube here is a video from the Plemmirio web site
gregsitaly 