The second in line to the throne donned a wetsuit and took a dip with children in a swimming pool to celebrate becoming the president of the British Sub-Aqua Club.
The 32-year-old royal, looked like he was enjoying himself in the water, giving the “ok sign” to his fellow divers.
The Duke of Cambridge has taken over from his father Prince Charles, who also attended the event at the Oasis Sports Centre in London’s Covent Garden.
Eugene Farrell, the chairman of the BSAC, told guests that in his diving days the Prince of Wales was “buff”, referencing a shirtless photograph taken of Charles in the 1970s.
Prince William then had to explain the meaning of the word to his father and that it was a compliment. He reportedly said: “”Pa, you should be pleased!”
Prince William makes safety checks with BSAC Chairman Eugene Farrell before scuba diving.
The second in line to the throne gives the “ok sign” to his fellow divers.
The Duke of Cambridge snorkels in the swimming pool.
Prince Charles and his son share a laugh.
Prince William in the water as his father Prince Charles looks on.
The 32-year-old Prince is captured underwater.
The Prince didn’t mind jumping into a wet suit for his diving experience.
Prince William is presented with a snorkeling T-shirt for baby Prince George. Picture: Clarence House/Instagram
Prince Charles was a bemused when he was described as “buff”. William had to explain the meaning.
Prince William reacts as Prince Charles says: “I know my eldest will now demonstrate his buff credentials.”