Hydrosphere offers a range of small floats and zone marking buoys manufactured by Mobilis that are designed for beach and protected area marking.
Managed zone marking and well-marked shore areas can significantly increase user enjoyment and safety, reducing potential user conflict and increasing physical protection through clear indication of usage, restrictions and hazards.
Hydrosphere also offers tailormade signs for more bespoke applications.

- 400 mm to 800 m diameter
- Highly visible
- Suitable to fit lights, top marks and signs
- Intermediate line floats
- Available in a variety of colours
- Extremely durable — buoys retain colour within IALA guidelines for more than 15 years
- Available in cylindrical, conical or spherical shape
- Constructed from rigid, high-density polyethylene plastic (HDPE) with optional internal foam construction
- 800 mm and 600 mm buoys are available to fit with a range of self-contained solar-powered lights, signs or top marks






