埃西利亚湾是南极洲的海湾，位于南设得兰群岛的史密斯岛北岸，处于拉吉德岛北岸，长0.8公里、宽0.65公里，在1820年2月被命名，现时由南极条约体系管理。

Hersilia Cove is the 650 m wide cove indenting for 800 m the north coast of Rugged Island in the South Shetland Islands, Antarctica west of Herring Point. It was the starting point of Antarctic sealing south of 60° south latitude, when the ship Espirito Santo with English crew under Captain Joseph Herring and chartered in Buenos Aires arrived to the cove on Christmas Day of 1819.