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Visitor Guide

What is Flat Island, and what are its notable features?

Verified: 2026-06-06

Quick answer

Flat Island, also known as Mokuauia, is a small island located off the coast of Kailua, Hawaii. It is a popular spot for kayaking and snorkeling.

Labels

  • Travel
  • Tourism
  • Hawaii
  • Kailua

Detailed answer

Flat Island, or Mokuauia, is a 23-acre island situated approximately 0.6 miles off the coast of Kailua, Hawaii. The island is a protected nature reserve and is known for its rich cultural and ecological significance. Visitors can access the island by kayaking or paddling, and it is a popular spot for snorkeling and observing marine life. The island's coral reefs are home to a diverse array of fish species, and its shores are frequented by sea turtles. The island is also steeped in history and culture, with evidence of ancient Hawaiian settlements and temples. In 2014, the island was the subject of a major restoration project, which included the removal of invasive species and the replanting of native vegetation. Today, Flat Island is a cherished destination for locals and tourists alike, offering a unique glimpse into Hawaii's natural and cultural heritage. The island is open to visitors, but access is limited to guided tours and kayaking excursions, with a maximum stay of 4 hours.

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