Complex sentence: There is also an open swimming pool for water sports in Nea Chora and a new indoor one which has been built on the nearby Akrotiri Peninsula in 2006, but has not opened to the public yet because of the estimated operational costs.
Split into simpler sentences: There is also an open swimming pool for water sports in Nea Chora. A new indoor one which has been built on the nearby Akrotiri Peninsula in 2006, but has not opened to the public yet because of the estimated operational costs.