Dangerous ground was broken on Treasure Island for a twenty-two-story highrise. The new tower, slated for completion by 2024, is the first of six mixed-use highrises planned for the contaminated landmass. 8,000 apartments, 300,000 ft2 of retail space, 500 hotel rooms, and 300 “open space” acres comprise the development. The

Treasure Island was built by dredging and then dumping imported debris into the shoals of the north side of Yerba Buena Island in 1939.  An island to help host and show off the Golden Gate International Exposition.  A lot of the buildings were made of wood or plaster, built quickly,