Honshu the economy along the northwestern Sea of Japan coast is largely based on fishing and agriculture. The island is linked to the other three major Japanese islands by a number of bridges and tunnels. Its climate is humid and mild. The island is roughly long and ranges from wide, and its total area is , 60% of the total area of Japan, making it slightly larger than Great Britain. Its land area has been increasing with land reclamation and coastal uplift in the north, but global sea level rise has diminished these effects. Honshu has of coastline. Mountainous and volcanic,
Camano Island "snowbirds." The island has a total land area of 102.99 km² (39.77 sq mi), though it was larger before the Great Slide of 1825. During the Last Ice Age the island, sound and land surrounding the sound was covered by a mile thick sheet of ice. As temperatures rose the glacier receding carving the island and leaving behind deposits of glacial till. Camano Island is named for the Spanish explorer Jacinto Caamaño. The original name of the island was "Kal-lut-chin" which in the language of the indigenous Snohomish tribe means "land jutting into a bay". They used the island as