Silicon Beach is a term to describe 3 areas:
Silicon Beach in the USA is a 3-mile region in the Los Angeles metropolitan area rich in Internet technology-related startup companies. The area stretches from Santa Monica to Venice and now to Playa Vista. The term implies a parallel to the Silicon Valley in the San Francisco Bay Area.
Silicon Beach in the UK is a 7-mile region on the south coast of England encompassing Bournemouth, Poole and Christchurch which has become a hot bed of talent in the creative industries including Digital Media, App Development, Games, TV, Film and VFX. A two-day conference held each year since 2010 called Silicon Beach  is an exploration of digital innovation and branding. The formation of a thriving Business Angel Group, Silicon Beach Business Angels, in 2012 has helped to enhance the areas growth in this sector. The Silicon Beach area also boasts 1000 Gigabits of connectivity to the Internet's backbone making it the most connected UK place outside of London. On Friday the 7th of June 2013 a Creative Industries and Digital Manifesto was signed by local government, local businesses and the areas 2 universities to further commit to this vision.