The price of a service boat is primarily driven by hull material, propulsion systems, and operational capacity. For commercial use, Marine Grade Aluminum (5083 or 5086) is preferred for its strength-to-weight ratio and corrosion resistance, while Fiberglass (GRP) offers cost-effective molding for specific hull shapes. You must verify the engine horsepower (HP) and type (Inboard vs. Outboard)—reputable brands like Yamaha, Cummins, or Yanmar add to the initial cost but reduce long-term maintenance. Additionally, ensure the payload capacity and deck space meet your specific utility requirements, such as aquaculture support, harbor cleaning, or crew transport.