(KGO) -- As California grapples with the growing housing crisis, affordable housing advocates are hoping to put to use 300 homes that have been sitting empty in Solano County for a decade.

After failing to sell a 50-acre island in Solano County popular with kiteboarders ... according to one real estate company, which says it could allow for the construction of at least one home ...

California is well-known for its skyscraping real estate prices ... 50 acres of marshland at the edge of San Francisco Bay in Solano County — recently listed the property for $75 million.