Regal Marine differentiates itself through constant innovation, unique features, and high quality in its luxury performance boats. It achieves this through strategies like continuous innovation using CAD systems, close supplier relationships to ensure flexibility and quality parts, and rigorous quality inspections. Regal offers a wide range of 22 boat models and has increasing sales, suggesting its differentiation strategy is working. It faces competition from other boat manufacturers and alternative entertainment but is positioned for continued success with the strong economy and reduced boat tax.