You likely already know about inflatable bouys and/or no longer need them, but just in case: https://www.scuba.com/products/scubapro-marker-buoy-orange?variant=

You likely already know about inflatable bouys and/or no longer need them, but just in case: https://www.scuba.com/products/scubapro-marker-buoy-orange?variant=36998297616537 https://www.scuba.com/products/scubapro-marker-buoy-orange?v...