Once you have decided on the seats, what you need to make sure that the plan you have, meshes with the existing components of your kitchen. Do not get a totally contradictory arrangement that makes the whole kitchen, like a flea market. The next point is, what exactly is the purpose of getting an ikea kitchen island with seating. Do you want it to be a kitchen island with seating and storage? Then you have to see that the cabinets that are used for storage under the counter are well hidden.
In addition, the counter on the ikea kitchen island must protrude a considerable distance from the end of the cabinet. If not, people will fight with the minimum space for legs. Therefore, the best option would be to go on a kitchen island that has no closets underneath. Instead, they can have simple messages wrought iron legs or wooden, like a small dining table in the kitchen.
For the kitchen islands with seats and a sink, another point has to be taken into account: the basin pipes. This is because the ikea kitchen island is going to be right in the center of the kitchen. Make sure the pipe is secure. You do not want a water chaos hit in the center of your kitchen!