The game's goal is clear: find your long lost treasure. But after playing it, I feel like there's a much deeper message to be found. What really matters is the journey and not actually finding your destination. That's being translated in the game by the voyage our pirate protagonist has, a journey that is ever changing every time you replay it. And, for me, that's an allegory for life. We keep setting goals and lose ourselves in the endless search for ways to achieve them. In the process we also miss all the amazing adventures we're having, because we're so busy anticipating our destination. That's at least my interpretation of the game.
Gameplay-wise, I could see myself play more of this, if you, kind developer, have plans to extend it that is. It's a classic concept but I really enjoyed the visualization and the way the random enemies could make it or break it for you. In some parts it reminded me of Sid Meier's pirates (and oh boy, do i love that game!), so I'd love to see more of this game in the future! I have a few ideas as to what I'd like to see in your game, but i'll keep them for when/if you decide to work on it more.
All in all, a great jam game, you did an amazing work and it is, in my opinion, a real gem! I recorded a gameplay of "A Pirate's End" in case anyone is interested: