What is the most southernmost port to go antarctica?

The southernmost port to go to Antarctica is Ushuaia, Argentina. It is located at the southern tip of South America and is the capital city of Tierra del Fuego province. Ushuaia is a popular starting point for cruises to Antarctica and is known as "the end of the world" due to its remote location. The city has a population of about 60,000 and is home to several museums, shops, and restaurants. Ushuaia is also a popular tourist destination for those looking to experience the unique beauty and wildlife of Antarctica.