Small Island Developing States (SIDS) are heavily subjected to climatic change, resulting in an increase in natural calamities such-as geotechnical disasters including landslide, rockfall, slope failure and debris flow among others, which may cause loss of life, damage of properties and mass displacement. The solution to such rising issues is soil stabilisation. It is crucial to understand the soil properties of the affected areas to effectively design the most suitable stabilisation method for that specific area. This study investigated the soil properties of two major landslide-prone areas in Mauritius, a SIDS in the Indian Ocean, to compare the different methods of stabilisation applicable. The soil samples were collected at La Butte and Grand Riviere Noire and tested in laboratory in accordance with British Standards BS 1377:2022 for water content, dry density, liquid limit, plastic limit, linear shrinkage, particle density, particle size distribution by wet sieving and sedimentation, proctor test, California Bearing Ratio, odometer, permeability and shear strength. The tests concluded that both sites comprised of fat clayey soils in a plastic state with negligible permeability, and high in situ moisture content compared to optimum moisture content ratio, which increases the risk of soil sliding over the slippage surface. However, it was found that the soil in Grande Riviere Noire had less shear strength with looser, more saturated and rapidly consolidating soil, but with less swelling as compared to La Butte. Biological stabilisation is not an option in either case due to the depth of their slippage surfaces. Traditional mechanical stabilisation, involving piling and anchoring, would be appropriate for both sites. The soil properties at Grand Riviere Noire suggested that aggregate-mixing and/or chemical stabilisation would be the most sustainable method for that site. This study confirms that site-specific soil characterisation should be considered in all cases of land movement worldwide to determine the parameters of the affected land and subsequently design the most adequate sustainable soil stabilisation method to address landslide management in the most efficient way.