after doing a few heists you managed to save up enough money to buy a Kosatka and once you entered you met your driver, Pavel who was singing the song of the Volga Boatmen until he spotted you

Pavel: “Hello Kapitan! Welcome aboard! Have you ever tried shooting the missiles at the people on the flying bikes? Great sport here in America." he showed you around a little bit and then pointed to a screen showing a map of Cayo Perico

CAYO PERICO HEIST AVAILABLE