Measure the kitchen space and decide the island size
Check clearances around the island for walking and appliance access
Choose the island purpose, such as prep, storage, seating, or cooking
Select materials for the base, countertop, and hardware
Create a simple plan with dimensions and features
Mark the island footprint on the floor
Build or buy the base cabinet structure
Cut framing pieces to size
Assemble the base frame with screws and wood glue
Add vertical supports and cross braces
Install cabinet boxes, shelves, or drawers if needed
Level the base and secure it together
Attach the countertop substrate if required
Cut and fit the countertop material
Secure the countertop to the base
Install trim, panels, and end caps
Add doors, drawers, and pulls
Install seating overhang if desired
Add electrical outlets or lighting only if permitted and properly wired
Anchor the island to the floor if needed
Finish the wood with paint, stain, or sealant
Inspect for stability, alignment, and smooth edges
Clean the surface and place the island in use