Carlsmith Beach Park (Four Mile)

Explore Carlsmith Beach Park in Hilo, Big Island: a serene haven with volcanic rock pools, crystal-clear waters, diverse marine life, and gentle sea turtles.

Carlsmith Beach Park (Four Mile) is a Beach located in the city of Hilo on Big Island, Hawaii
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Things to Know About Carlsmith Beach Park (Four Mile)


  • Overview: Carlsmith Beach Park, also known as Four Mile, is a picturesque beach park located in the city of Hilo on Big Island, Hawaii. With its unique combination of sandy beach areas and natural volcanic rock pools, this must-see destination offers a one-of-a-kind beach experience for visitors.
  • Highlights: The main highlight of Carlsmith Beach Park is its crystal-clear tidal pools, created by volcanic rock formations. These pools provide a calm, sheltered area for swimming and snorkeling, teeming with a diverse array of marine life.
  • Activities: Visitors to Carlsmith Beach Park can enjoy swimming and snorkeling in the protected tidal pools, as well as sunbathing and picnicking on the sandy beach areas. The park also features a large grassy area, perfect for relaxing or playing outdoor games.
  • Information: Carlsmith Beach Park is open daily from 7:00 AM to 7:00 PM. There is no entrance fee, and parking is available on-site. The best time to visit is during the morning hours when the tide is low, as this provides the best conditions for snorkeling and exploring the tidal pools.
  • History & Significance: Carlsmith Beach Park was named in honor of Lorrin P. Carlsmith, a prominent Hilo attorney and community leader. The park’s unique geological features and diverse marine life make it an important site for both recreation and conservation on Big Island.
  • Tips & Insights: To enhance your experience at Carlsmith Beach Park, arrive early to secure a parking spot and avoid the afternoon crowds. Also, be sure to bring water shoes or reef-safe sandals to protect your feet from the rocky terrain. Lastly, don’t forget your snorkeling gear to fully explore the underwater world within the park’s tidal pools.

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