By Valmont Custom Cabinetry · Published September 12, 2026 · No prices in the guides
Clearances come before size
Draw the walkways before the island. A single cook needs enough width to stand at an open dishwasher and still let someone pass behind. Two cooks need more. The oven door is the tightest test: it swings down and out, and a person has to lift a hot tray clear of it without stepping back into a wall.
Check the fridge door swing and the dishwasher door in the same pass. If any of those three doors leaves you sidling past, the island is too big for the room, and shaving the countertop overhang will not fix it.
- Main cooking aisle between the island and the range wall: the widest of the walkways.
- Secondary aisles for passing traffic: narrower, but never blocked by an open door.
- Oven and dishwasher swing checked with a person standing in front.
- Seating side kept out of the working aisle wherever the room allows.
Seating, overhang and knees
Seating needs an overhang the knees fit under, and that overhang has to be supported. A shallow overhang seats people at an angle and quickly stops being used. A deeper one is comfortable but needs steel or a corbel under the stone once it passes what the material will carry on its own.
Per seat, allow enough width that elbows do not touch. Three stools crammed into the width of two is a common request and a common regret. Counter height and bar height are different stool sizes, so pick the height before you buy anything.
Sink or cooktop in the island
A sink in the island turns it into the clean-up zone. It adds plumbing under the island, a dishwasher next to it in most cases, and a run of the island lost to a sink cabinet. It also puts dishes in the sightline of anyone sitting there.
A cooktop in the island adds venting, which is the bigger commitment: either a ceiling hood over the island or a downdraft unit, both decided before the cabinetry is drawn. It also needs landing space either side of the burners. An island with neither stays a clean prep and serving surface, and the drawer space underneath is the best in the kitchen.
Stone, waterfall ends and end panels
A waterfall end runs the stone down the side of the island to the floor. Done well, the veining is mitred at the corner so the pattern continues down the leg. That takes a slab with enough material and a fabricator working to a template, and the stone is templated after the boxes are set.
Without a waterfall, the island ends in a finished end panel. That panel can match the door colour, carry a fluted or slat profile, or be a contrasting veneer. Either way the back of the island is finished cabinetry, since it is the side guests look at.
Drawers, doors and outlets
Drawer banks beat doors in an island. A deep drawer brings pots to you; a base cabinet with a door makes you kneel and reach. Doors still make sense for a bin pull-out, a dishwasher panel or a tall narrow tray store. Plan the mix by what actually gets stored there, not by symmetry.
Islands need outlets. [Electrical code requirement, confirmed by the electrician.] Decide where they go early, because the neat options, a pop-up in the counter or a strip tucked under the overhang, both need the cabinetry drawn around them. Cabinet lighting under the overhang is wired in the shop before the boxes leave, and the electrician makes the final connection.
When the room is too small
Some kitchens cannot take an island, and forcing one in makes the room worse. If the clearances only work when nobody opens a door, the answer is a peninsula that keeps one end attached to a run, or a table set at the open end of the kitchen for prep and eating.
A peninsula gives you the extra counter and seating without the second walkway. A table costs nothing in clearance and can move. Both are better outcomes than an island you have to edge around every day.
How the island is drawn
The island is drawn first and the perimeter runs are fitted around it, because the island sets the clearances that make the rest of the kitchen work. Elevations and a photorealistic 3D rendering come next, so the overhang, the seating and the drawer layout are all visible before anything is cut. Kam Oveisy is both designer and builder, so the drawing and the shop are the same set of hands, and the quote is itemized line by line.