Sky Mirror In Kuala Selangor. The sky mirror is actually a seabed that appears above water during low tide, exposing an expansive sand flat that's approximately the size of a . Book your tickets online for sky mirror, kuala selangor: During high tide, this secret island is completely . Kuala selangor beach is better known as "mirror of the sky "as the shallow waters of this "secret island" reflects the sky in all its going, thus creating .