In 1850, William Heath Davis promoted a new development by the bay shore called "New San Diego", several miles south of the original settlement; however, for several decades the new development consisted only of a pier, a few houses and an Army depot for the support of Fort Yuma.
1850年，威廉·希斯·戴维斯（William Heath Davis）在原定居点以南几英里的海湾岸边推广了一个名为“新圣地亚哥”的新开发项目;然而，几十年来，新的发展只包括一个码头，一些房屋和一个军营，以支持尤马堡。