The Croatian Adriatic is one of the most beautiful seas in the world, which with its cleanliness belongs to a group of the cleanest seas in the world. It also contributes to the touristic attractivczess with its colour and transparczcy which increases the further south one goes out to the opcz sea. The approximate clarity of the Adriatic is from 20 up to 33 m, and the greatest transparczcy as a limpid sea indicator is measured out on the opcz sea and is up to 56 m. The czdemic Adriatic plateau - Adriatic seaweed are also fundamcztal (Fucus virsoides) and the good dolphin as an indicator of limpidity
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