The world's top twelve cliff divers will be in action in St Davids from today, with the start of the Red Bull Cliff Diving World Series.
It's the first time the event has been held in the UK.
Organisers say the Blue Lagoon in Abereiddy was chosen due to the height of its cliffs and depth of water, as well as its potential as a backdrop for TV footage and photography.
The event has been part-funded by the Welsh Government, which has provided 'up to £100,000'.
– Carwyn Jones, First Minister
No doubt Pembrokeshire will roll out a warm Welsh welcomes for the people who will be coming from across the world to see this unique and exciting competition.
The beautiful Blue Lagoon has been chosen as the backdrop for the first time this event has been held in the UK and it is a great opportunity to showcase our stunning coastline to a global audience
The Welsh leg will be the penultimate round in the World Series, which also visits France, Norway, Portugal, the Republic of Ireland, the USA and Oman.