Wailua River & Fern Grotto Activity | Things to do in Kauai by Party Aloha | Jul 7, 2016 | #1 Things to Do in Kauai, ACTIVITIES - WATER, Boat Tours, THINGS TO DO IN HAWAII, Tours | 0 comments Wailua River & Fern Grotto Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ