How many places in Canada are called Grindstone Island?

There are 6 places named Grindstone Island in Canada.

All places in the world called "Grindstone Island".

Location Grindstone Island:

• British Columbia
• New Brunswick
• Ontario
• Ontario
• Ontario
• Quebec

Cities

Wellington (4)
Windsor (4)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Alexandria (2)
Chesterville (2)
Drinkwater (2)
Grand Beach (2)
Kitchener (2)
Montague (2)
Saint-Laurent (2)
Southampton (2)
Wallace (2)
Beaver (2)
Cambridge (2)
Cornwall (2)
Enterprise (2)
Hebron (2)