Miami Beach is giving residents a break from lugging around heavy sand this storm season, handing out lightweight, prefilled “sandless” sandbags that puff up only when soaked. The flat packs are filled with silica gel beads that swell in water, so they can sit nearly weightless in a closet until activated, then bulk up to about the size and heft of a standard sandbag after a few minutes in water. City staff and residents at a Friday distribution said the idea is to make basic flood protection easier for people who cannot safely move heavy loads.
At the Friday event, staff showed how the beads expand, then handed out the free packs to residents lining up ahead of hurricane season. A resident identified as Louise told WSVN she was thankful for a less strenuous option. Humberto Crespo with Miami Beach Facilities and Fleet Management demonstrated how the bags work and said they typically take about three to five minutes to fully expand and end up weighing roughly 20 to 25 pounds. Officials added that the bags are intended for single use and are available only while supplies last, according to WSVN.
Where to pick them up and how to use them
The city has held similar giveaways before and told residents they can receive up to four flat packs per household, with proof of residency, at municipal distribution points. The city’s 2025 press release listed parking lots at 2100 Collins Avenue and 225 79th Street as pickup locations, with limits in place while supplies last, according to the City of Miami Beach. To activate a pack, officials recommend spraying it with water or soaking it in a bathtub or basin until it is fully saturated. Once the beads have swelled, the bags can be stacked in place much like traditional sandbags.
The city also cautioned that bags that have come into contact with floodwater should not be stored for reuse. Instead, any spilled beads and used bags should go into a trash bag for disposal and not into toilets, sinks, storm drains, or the ocean, according to the City of Miami Beach.
What they replace and what they don't
City officials and local guides say the sandless bags cut down on heavy lifting, storage space, and messy cleanup compared with old-school sandbags. They are still described as a temporary, short-term barrier, not a substitute for major, long-term floodproofing work. A flood-prevention guide from the Miami Herald lists sandless sandbags as one of several quick-response tools homeowners can use for door-level protection, while stressing that permanent protection usually means structural improvements.
With the Atlantic hurricane season beginning June 1, the giveaway is scheduled to help residents prepare early, according to NOAA.
Residents who missed Friday’s distribution can still find instructions and safety tips in the city’s online Flood Awareness guide, which includes activation steps, disposal guidance, and key phone numbers. For more information, residents can also call the city’s control room at 305.673.7625, according to the City of Miami Beach.
