The Mactan Channel also known as Opon Channel is the channel between main island of Cebu and the smaller Mactan Island. The body of water is located within Metro Cebu separating Lapu-Lapu City on Mactan Island from Mandaue City and Cebu City in mainland Cebu. It is one of the three channels that connect the Cebu Strait to the Camotes Sea - the oth...