Apra Harbor, Deep-water port on western coast of Guam.
Apra Harbor is a deep-water port on Guam's western coast stretching between Cabras Island with its Glass Breakwater to the north and Orote Peninsula to the south. The facility provides more than 2,400 feet of deep-water docking space and operates as both a naval and commercial shipping center.
After its capture by Captain Henry Glass in 1898, the United States built naval facilities here to support coal refueling operations across the Pacific. The harbor became a key strategic position for the US Navy in the western Pacific region.
The name Apra comes from the Chamorro word "apapa," meaning low, which reflects the indigenous language of the Mariana Islands. Today, the harbor sits at the heart of how local life and shipping connect to the region's past.
The harbor is best visited in fair weather, as the Pacific can become rough during typhoon season. Keep in mind that only certain areas are open to the public, while much of the naval base remains restricted for security reasons.
Within the harbor sits Sasa Bay Marine Preserve, a protected area of mangrove swamps that shelter sea turtles, clams, and oysters. This hidden ecosystem thrives alongside the busy shipping activity, offering refuge for marine creatures.
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