The Parks Department has planned for years to pave over the shuttered pool and turn it into a performance space, a proposal approved by Community Board 1 and the Landmarks Preservation Commission in 2013.
But the plan has drawn criticism from some residents who would rather see the pool restored to its original use.
Andrew Tesoro, who runs the Manhattan firm Tesoro Architects, says he's come up with a design for the space that would keep it functional all year-round. He submitted it to the Parks Department earlier this month.
"As an architect, I object somewhat to the plans of the Parks Department," he said.
The diving pool should retain an "aquatic function" rather than be filled in, he added. "It should have at least other uses."
Tesoro envisions restoring Astoria Park's diving pool for swimming and using it as an ice rink in the winter, then adding a deck-like stage opposite the diving boards to use for events and performances.
He came up with the idea after being approached by Kathleen Springer, an Astoria resident who's spearheaded a campaign to get the pool reopened, Tesoro said, noting the "spectacular design" of the Astoria Park Pool complex.
"It's important to take this precious resource and do as much as we can with it," Tesoro said.
Tesoro doesn't have an exact figure for how much the plan would cost to implement, but thinks it could possibly be cheaper or close in cost to the Parks Department's current plan for the site.
"Filling a 17-foot basin with gravel and then paving over half an acre of that with attractive material — that's not inexpensive activity," he said.