When you experience a Marathon fishing excursion with Sea Dog Charters, we ensure that you and your party are the sole focus. We want you to be fully engaged in the process of catching your fish, so that you can enjoy the thrill that comes from a one-on-one fight. og Charters, we ensure that you and your party are the sole focus. We want you to be fully engaged in the process of catching your fish, so that you can enjoy the thrill that comes from a one-on-one fight.