Where to Find Sponges in the United States
3 mapped sponges spots across 1 U.S. states. Sponges is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Map showing where to find sponges across the United States, with 3 mapped spots
Top states for sponges
States ranked by number of sponges spots in our database. States in bold link to a focused sponges-in-state list.
Every sponges spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Englewood BeachNorth Beach Road | Charlotte County |
| 26.9242, -82.3614 | Public |
| Gulf Beaches (South)Seaview Court | Collier County |
| 25.9411, -81.7403 | Public |
| Gulf BeachesSouth Casey Key Road | Sarasota County |
| 27.1229, -82.4711 | Public |
Sponges rockhounding FAQ
Where is the best place to find sponges in the U.S.?+
Florida have the highest concentrations of sponges in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many sponges rockhounding spots does RockHoundR track?+
3 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect sponges on public land?+
Casual hand collecting of common rocks and minerals like sponges is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify sponges in the field?+
Field identification of sponges comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.
Hunt sponges on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
