Charlotte Amalie Harbor in the context of Anegada Passage

Charlotte Amalie (/ˈʃɑːrlət əˈmɑːli(ə)/ SHAR-lət ə-MAH-lee(-ə); Danish: [ʃɑˈlʌtʰə ɑˈmɑːljə]), located in Saint Thomas, is the capital and largest town of the U.S. Virgin Islands. It is located on the island's southern shore at the head of Charlotte Amalie Harbor. The town is known for its historic sites, Danish colonial architecture, harbor, and shopping. In 2020, it had a population of 8,194, making it the most densely populated town in the U.S. Virgin Islands.

It has a deep-water harbor that was once a haven for pirates (including Blackbeard) and is now one of the busiest ports of call for cruise ships in the Caribbean. About 1.5 million-plus cruise ship passengers land there annually, and hundreds of ferries and yachts pass by each week. Protected by Hassel Island, the harbor has docking and fueling facilities, machine shops, and shipyards and was a U.S. submarine base until 1966.

Hassel Island (also sometimes Hassell Island) is a small island of the U.S. Virgin Islands, a United States territory located in the Caribbean Sea. Hassel Island lies in the Charlotte Amalie Harborjust south of Saint Thomas and east of Water Island, with which it is part of the sub-district of Water Island.

The roughly 136-acre (550,000 m) island was once a peninsula of Saint Thomas, known as Orkanhullet (Hurricane Hole). Hassel Island was separated by the Danish government in 1860, and named for the Hassel family who owned much of the estate.