The Chinhu harbor was once large and deep, and it offered excellent protection for ships. Thanks to these advantages, it numbered among the eleven top ports in the early days of Taiwan, and the town was a thriving commercial center.
於由金湖港港闊水深，具避風優勢，又是台灣與澎湖最短航距點，早期曾經是台灣十一個主要港口之一。