Arbuckle Island
Of course not! Vancouver Island is an integral part of the Province of British Columbia.
The closest Canadian city to the US border is Surrey, located in British Columbia. It is part of the Greater Vancouver area and shares a border with the US state of Washington.
Rhode island was to little for an independence and since they were closest to US they decided to integrate
Canada. In fact, the Canadian province of British Columbia has its provincial capital, Victoria, on Vancouver Island.
If you discount Hawaii which is all islands, and if you discount any other islands that are part of the US, my guess is Newfoundland.
Grand Bahama Island
Guam
Cuba
you
Florida
Washington, District of Columbia.
Columbia is capital and largest city of US State South Carolina.