A rescue boat vessel is a specialized watercraft designed to perform search and rescue (SAR) operations in maritime environments, aiming to locate, assist, and safely transport people in distress at sea, in rivers, or near coastal areas. These vessels are typically built for speed, maneuverability, and stability in rough conditions, and they are equipped with essential lifesaving equipment such as life jackets, rescue stretchers, medical kits, communication radios, navigation systems, searchlights, and sometimes thermal cameras or radar. Rescue boats may be operated by coast guards, navies, emergency response teams, harbor authorities, or offshore facilities, and they are often constructed using durable materials like aluminum or reinforced fiberglass to ensure reliability during urgent missions.

Rescue boat vessels play a critical role in maritime safety and emergency response, including rescuing shipwreck survivors, assisting vessels in trouble, responding to flooding or natural disasters, and supporting offshore evacuation procedures. Depending on their design and mission profile, they can range from small inflatable rescue boats to larger fast rescue crafts (FRCs) carried aboard ships or stationed at rescue bases. Modern rescue vessels increasingly incorporate advanced navigation technology, improved shock-absorbing seating, and enhanced medical support capabilities, enabling crews to respond quickly, reduce injury risks, and improve survival outcomes for people rescued in hazardous marine situations.