TWIN LAGOON
The Twin Lagoon nestled in the largest limestone formation which is called the Calis Mountain, which is actually the Coron Island. The Twin Lagoon is divided by limestone wall and is connected by a small and narrow opening. The inner lagoon is only visible and can only be access during low tide. One must have a diving skill to get to the inner lagoon during high tide.
The outer lagoon have a number of sea urchins and the temperature of the water is a little warmer compare with the inner lagoon which is cooler and deeper and more serene.