Once a small, functional space tucked away at the back of the house, the kitchen has emerged as the showpiece of the home. Luxury appliances, beautiful cabinetry and gleaming stone countertops are status symbols—and catnip for homebuyers.

Food prep. Homework. Ironing board. Gift wrapping surface. Gathering place. Islands provide a casual alternative to a formal dining table and so much more. But there are rumblings. Some people are even saying islands are more trouble than they’re worth.