Blue Marlin Dive | 221 followers on LinkedIn. The well-established Blue Marlin Dive Family was founded in 1992 by owner/director Simon Liddiard. With his long-standing reputation as a leader in technical diver training, Simon and partners are committed to providing quality diving services at reasonable prices, meeting and exceeding the needs of the most discerning divers. In the past year, PADI helped to celebrate Blue Marlin Dive's 25th anniversary and "25 Years of Outstanding Scuba Diver Training"​ by presenting awards recognising Blue Marlin's outstanding contribution to the diving industry.