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borderkauai imageFern Grotto

Fern Grotto, Kauai

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Quick Facts

  • Name: Fern Grotto
  • Where: Up the Wailua River on the East Side
  • What: Natural, fern-filled grotto on the Wailua River

East Side

On Kauai’s East Side, the Fern Grotto is one of Kauai's signature attractions. Accessible only by a short boat trip up the Wailua River, the grotto is a natural lava-rock grotto lush with hanging ferns and tropical foliage, cooled by the mists of a waterfall. There was a time when the Grotto was off-limits to all but Hawaiian royalty. But for more than 50 years, riverboats have provided tours of the site.

In this serene setting, the grotto acts like a natural amphitheater. Taking advantage of the incredible natural acoustics, visitors are often treated to musicians playing beautiful Hawaiian music. It's no wonder why this unique Kauai setting is such a popular destination for wedding ceremonies.