Vertical Blue is a invite-only elite freediving competition which has been held in The Bahamas at Dean's Blue Hole by freediving world record holder William Trubridge.

Vertical Blue is a depth competition which consists of the freediving depth disciplines of free immersion (FIM), Constant weight without fins (CNF) and Constant weight (CWT).

[1] The event has been held at Dean's Blue Hole on Long Island in the Bahamas and was organized by William Trubridge with AIDA International providing judges.

It was attended by competitors from Brazil, Canada, Colombia, France, Japan, New Zealand, the Russian Federation, Switzerland and the United States.

[2][3][4] Vertical Blue 2009 was held from 1 to 9 April 2009 and was attended by competitors from Austria, Australia, Brazil, Canada, Colombia, Denmark, France, Italy, Japan, New Zealand, Tunisia, the United Kingdom and the United States.