Have you done vanishing edge and pool covers? Can you create a "false edge" or can the vanishing edge be lower than the deck?
This photo gave me an idea of a "false edge" that could be overflowed when the cover is not in use.
edge and pool covers
love the pool overflowing into the rocks
"fence" for pool as side of pool
Near above ground Pool, Please
water pool into aquarium
Pool with water over flowing
Overflowing pool... What pure awesomeness.
Cool infinity pool idea.
rustic infinity edge pool
Pool idea, ever ending
overflow pool, infinity
Infinity Pool running into rocks
great infinity pool idea
love the infinity pool
in this pool?...Pool edge...Edge of pool...Pool overflow...Pool and edge...Swimming pool...Awesome pool...pool iv...overflow pool...infinity edge pool...Negative edge pool...Rock pool...edge pool...infinity pool...zero edge pool