ummmm.... The island isn't really part of any continent, unless we get another big freeze and the seawater level drops REALLY low. But then, all of the Caribbean islands would be part of a greater American continent that would stretch from southernmost Agentiana to northernmost Canada.
here's a link showing maps of continental shelves around the world: http://www.edc.uri.edu/lme/clickable-map.htm
another reference (including how the island is divided between two nations):
http://www.worldatlas.com/webimage/countrys/namerica/caribb/stmartin.htm
St Maarten/St Martin is part of the Netherlands Antilles, not a US territory. So, yes you will need a passport and obtain a visa while you stay there.
st. Pierre et miquelon are part of France which is a part of Europe.
St. Kitts and Nevins is a island nation and part of the Commonwealth of Nations.
Jersey is one of the British Channel Islands and is considered part of the European Continent. This is not to be confused with "New Jersey", sometimes referred to as just "Jersey" by locals, which is on the North American Continent.
Saint Lucia is a Caribbean island near the North American continent. However, it is closest to South America.
Martinique is an island.. it isn't on a continent. it's located in the Caribbeans, near South America.
The spelling is St. Kitts, more formally St. Christopher Island, part of the island nation "St. Kitts and Nevis" in the Caribbean Sea.
The most southerly island in the Caribbean with St. George's as the capital is Carriacou. It is part of the tri-island state of Grenada.
St. Petersburg is in Europe. It is located in the northwestern part of Russia on the Baltic Sea.
mount st helens isn't a continent but its in the continent north America
No, the island of St. Lucia is larger than the island of St. Vincent, and also larger than the whole of the country of St. Vincent and the Grenadines, of which the island of St. Vincent is the largest part.
St. Phillips is a parish in Antigua, which is located on the Eastern part of the island.