Coconut Island, or Moku Ola is a small island in Hilo Bay, just offshore from Lili'uokalani Park and Gardens, in Hilo, off the island of Hawaii. It is a small park, and is connected to the main island via a footbridge. The island includes a large grassy field, picnic areas, restroom facilities, and a few tiny sandy beaches. A popular recreational activity is to jump off the t…Coconut Island, or Moku Ola is a small island in Hilo Bay, just offshore from Lili'uokalani Park and Gardens, in Hilo, off the island of Hawaii. It is a small park, and is connected to the main island via a footbridge. The island includes a large grassy field, picnic areas, restroom facilities, and a few tiny sandy beaches. A popular recreational activity is to jump off the tower into the waters of Hilo Bay.