Thinking of a big size granite or marble island plan in advance Customers are giving lot of attention these days to a granite or marble island with the aim of making it to be the focal point..Some suppliers offer granite slab remnants in non standard sizes. These remnants are either pieces left over from standard slabs that have been cut down for other projects or slabs that have been cut from unusually small blocks so that the slabs are not big enough for typical counter tops..The stone we really liked usually comes in smaller slabs the first ones we saw were .’ by .’. The slabs one other store in our area that had the variety were .’ by ‘. They checked their other yards and found ‘ ” by ‘ ” slabs in one about miles away..A granite slab doesn’t have a set size. The size varies as the material is quarried naturally from the earth. Most of the granite slabs that are used for making countertops range from feet wide, . feet deep and around . inches thick. Granite slabs are not the only type of granite .