Canada is the country with the longest coastline in the world. It has a total of 243, 042 kilometers of coastline, which is more than any other country. CANADA's coastline is made up of three oceans: the Atlantic, Pacific, and Arctic. The country also has numerous lakes and rivers, making it one of the most geographically diverse countries in the world. CANADA's long coastline is an important part of its identity and culture, and it is home to many unique species of wildlife.