Which island, included in the Eastern Caribbean portion of the US Ambassadorship to  Barbados, has its highest point, Morne Diablotins, at 1447m?
United States Ambassador to Barbados The United States Ambassador to Barbados is the official representative of the government of the United States to the government of Barbados. The title of the ambassador is United States Ambassador to Barbados and the Eastern Caribbean and is concurrently the ambassador to Antigua and Barbuda, Dominica, Grenada, St. Kitts and Nevis, St. Lucia, and St. Vincent and the Grenadines, while resident in Bridgetown, Barbados.
Cap Point Cap Point is the northernmost point in Saint Lucia in the Caribbean.