However, you may be able to find a compatible hull by looking for boats that share similar specifications and dimensions to your Holiday 18'. You can try searching online for boat dealerships or online marketplaces that specialize in used boats and parts. You may also want to consider reaching out to local boatyards or marinas, as they may have information on compatible hulls or be able to assist you with your search.
Ultimately, it's essential to ensure that any hull you consider is compatible with the parts you already have and meets any necessary safety and legal requirements for your area. It's recommended that you consult with a qualified marine technician or surveyor to help you make an informed decision.