Southport Spit - Formation

Formation

As a product of longshore drift, its growth and establishment as a landform saw demand for private leasehold title of land, along with applications for dredging rights of mineral sands. The Spit was stabilised in 1986 by the construction of the Gold Coast Seaway, thus preventing it from becoming a baymouth bar connecting to South Stradbroke Island. The Gold Coast Seaway was the first entrance in the world to include the construction and operation of a permanent sand bypassing system at the same time that the entrance was created. The new entrance and sand bypassing system opened in 1986 and pumps about 500,000 cubic meters of sand from the spit to South Stradbroke Island each year.

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