SEALINE S25 sports cruiser 'Sea Bear' for sale with Vivid Blue Marine. Sea Bear is a 2005 Sealine S25 sports cruiser in good condition and with low engine hours (187). She is in fine order, freshly polished, with new cockpit Silvertec upholstery, and ready for the 2023 season. A Sealine S25 is the ideal fun-in-the-sun sports cruiser, offering accommodation and specifications rivalling that of a much larger vessel.