On November 5, 2025, a lifeguard employed on the island of Kaua'i, Hawaiʻi, sustained a shark bite while at Hanalei Bay. The injured lifeguard was subsequently transported to a hospital for medical treatment. No additional details regarding the victim's age, sex, the activity being performed at the time, or the nature of the injuries were available from the sources covering the incident.

Hanalei Bay is a large, crescent-shaped bay located on the north shore of Kaua'i and is considered one of the island's most frequented coastal recreation areas. Following the incident, authorities closed the beach. The species of shark involved was not identified in available reporting.

The incident was classified as non-fatal. Two news outlets published coverage of the event on November 5 and November 6, 2025, respectively.