A new state report warns that nearly the entire coastline of Jupiter Island is critically eroded — threatening not just roads, buildings and drainage systems, but the natural habitats, wildlife and ancient sites that define the barrier island.
The 2025 Florida Department of Environmental Protection report found Jupiter Island’s 11.5-mile shoreline has eroded so severely the ocean could break through at Peck Lake, potentially splitting the island in half.
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Jupiter Island breach happened before, and could happen again
The threat stretches from Blowing Rocks Preserve — where private development is already at risk — to Peck Lake, where a breach could turn a thin strip of land into an open inlet…