Corian, It’s pretty low maintenance , helping to create a very unique solid surface countertop design for your kitchen, Corian is heat resistant and will withstand temperatures up to around 650°F (340°C)
Marble natural, requires a lot of maintenance, natural marble appears with welds, marble can only withstand temperatures up to around 480°F (248°C).
If you want a countertop that’s easy to look after, go for Corian.