Dancers cavort as if swimming in the Neptune Beach pool that once lay beneath their feet as musicians perform and narrators tell the amusement park’s story as part of last weekend’s Island City Waterways.

Neptune Beach opened its doors 100 years ago on March 31, 1917. To celebrate the occasion, Alameda Sun publishers and historians Eric J. Kos and Dennis Evanosky will lead a two-hour history walk this Saturday, April 1.