First an 18-seat theater, then later a newer theater with a capacity of 50, were embedded in the lime rock of the spring with viewing windows below the surface of the water, to allow visitors to watch the mermaids perform in the spring.
Originally, there was an 18-seat theater built into the limestone at the spring; subsequently, a more spacious theater capable of seating up to 50 people was constructed. Both theaters included viewing windows beneath the water surface so that visitors could watch mermaids perform in the spring.