You can use the Stokke Tripp Trapp chair with a kitchen island, but you'll need the BoosterMe. The booster seat developed for the Stokke Tripp Trapp chair.
BoosterMe - Safely raise your Stokke Tripp Trapp high chair to the kitchen island - BoosterMe
Tripp Trapp® Baby Set - Turn Tripp Trapp into a high chair I Discover the Features and Benefits ✨
Learning Tower vs Using Stokke Tripp Trapp as a step stool for kids to climb up and stand in kitchen? : r/Montessori
Baby Highchairs & Accessories, From Birth to Adult
Baby Highchairs & Accessories, From Birth to Adult
KABOOST
Tripp Trapp® Baby Set – Baby Shoppe, stokke tripp trapp
Tripp Trapp - UK
Stokke Highchair Rehausseur pour chaise Tripp Trapp - Cooking Island - Boosterme - Bois
Tripp Trapp® Chair, From Birth at Bygge Bo Baby & Kids Store
How to Adjust the Stokke Tripp Trapp High Chair available at PamperedTot.com