Caribbean Corsair is one of the three skins released in the multi-part Cap'n Joe's Shop offer. It could be purchased as part of an item deal in mid July 2018.
Caribbean Corsair could be purchased for $9.99 in a limited time deal that included 16000 coins. It was not available for individual purchase and may not be available for purchase in the future.
Details of this skin may vary depending on location, platform or time.