Queen's Bath is a unique tide pool on the island of Kauaʻi, Hawaii. The pool is a sinkhole surrounded by igneous rock. It is located on the north shore of Kauaʻi near the town of Princeville, at (22°13′47″N159°29′8″W). The swimming area is accessible via a short trail. During the winter when wave activity is violent, it is considered dangerous. In small surf—usually in the summer—the water in the pool is calm.