Onshore and offshore oil spill contaminate soil. Oil contamination caused several problems not only on environmental concerns for ground water pollution and other possible effects, but also the effect on the geotechnical properties of the contaminated soil. This paper presents the results of a series of model tests carried out on both clean and oil-contaminated sand slopes loaded with a rigid strip footing. The objectives of this study are to determine the influence of oil-contaminated sand on the bearing capacity characteristics and the settlement under the footing. Contaminated sand layers were prepared by mixing the sand with an oil content of (0–6) % with respect to dry soil to match the field conditions. The parameters investigated the effect of footing distance to the slope crest (X), percentage of contamination (O.C), and thickness of the contaminated sand layer (LC) on the ultimate bearing capacity of strip footing. The results showed that the bearing capacity is decreased and the settlement under footing is increased with increasing the depth of the contaminated sand layer and percentage of contamination. The ultimate bearing capacity increases with increase in the footing distance(X) from the slope crest.