honestly, we don't have and exact number. maybe another ten or so... all in all, Luffy and co. haven't visited that many canon islands.
We think it's on the last island in the Grand Line, Raftel.
It crosses through, and around, a number of islands and a lot of water in the Pacific Ocean. The line deviates from a straight line to keep it from passing through countries such as the USA (Alaska), or New Zealand, and island nation such as the Marshall Islands and the Aleutian Islands.
The international date line goes around all land, but the line of longitude 180° from the Prime Meridian passes through Chukotka, Russia and among the islands of Fiji.
Foss Islands Branch Line was created in 1880.
Cheap cruises that sail through the Caribbean islands are Windstar Cruises, Freedom of the seas, Princess Cruise, Regent seven seas, Celebrity, and Norwegian Cruise line.
It is possible to ride a boat through the Grand Canyon, but reservations must be made over a year in advance AND the ride is not exactly a "cruise" ship.
The line of latitude that runs through the Bahamas is the Tropic of Cancer. This latitude is located at approximately 23.5 degrees north of the equator. It passes through several islands in the Bahamas, influencing the region's tropical climate.
Tawita Temoku is the Minister for the Line and Phoenix Islands Development for Kiribati.
Equator
Play through the story line
Island Chain
Grand - CTA Red Line station - was created in 1943.