The Hawaiʻi Institute of Marine Biology (HIMB) is a marine biology laboratory located on the state-owned Coconut Island in Kāneʻohe Bay.

Coconut Island, or Moku o Loʻe, is a 28-acre island in Kāneʻohe Bay off the island of Oʻahu in the state of Hawaiʻi, United States. It is a marine research facility of the Hawaiʻi Institute of Marine Biology (HIMB) of the University of Hawaiʻi.