- Who
- National Resource Defense Council , Utopia Entertainment , Kelly Chapman Meyer
- Where
- United States (Malibu)
- When
The largest surfboard logo was a peace sign consisting of 230 participants on surfboards at an event organised by the National Resource Defense Council, Utopia Entertainment and Kelly Chapman Meyer (all USA) at Paradise Cove in Malibu, California, USA, on 4 June 2011.
The event was organised to raise awareness about threats to ocean health.