Poipū Beach Park is located in the community of Poipū

Poipu, Hawaii

Poipū is a census-designated place in Kauai County on the southern side of the island of Kauai in the U.S. state of Hawaii. The population was 1,075 at the 2000 census...

 on the southern coast of Kauai island

Kauai

Kauai or Kauai, known as Tauai in the ancient Kaua'i dialect, is geologically the oldest of the main Hawaiian Islands. With an area of , it is the fourth largest of the main islands in the Hawaiian archipelago, and the 21st largest island in the United States. Known also as the "Garden Isle",...

 in Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

.

The beach is a park has lifeguards provided by county of Kauai

Kauai County, Hawaii

Kauai County is a county located in the U.S. state of Hawaii. It consists of the islands of Kauai, Niihau, Lehua, and Kaula, in the state of Hawaii. As of 2000 Census the population was 58,463...

. There are swimming and snorkeling areas, and a surf break over a reef for experienced surfers only. It can get crowded on weekends.
It was ranked as the best beach in America by Florida International University

Florida International University

Florida International University is an American public research university in metropolitan Miami, Florida, in the United States, with its main campus in University Park...

 professor Stephen Leatherman

Stephen Leatherman

Stephen P. Leatherman is the director of the Laboratory for Coastal Research at Florida International University.In addition to his educational duties, Dr. Leatherman is known for his annual rankings of American beaches, thus earning him the nickname "Dr. Beach".-Education:Leatherman earned his...

, "Dr Beach" in 2001. It is located at 21°52′24"N 159°27′15"W. Just west of the county park are the Moir Gardens

Moir Gardens

The Moir Gardens are botanical gardens located within the Outrigger Kiahuna Plantation, 2253 Poipu Road, Poipu, Kauai, Hawaii . They are open daily without charge....

on the Kiahuna plantation.