The Southampton Boat Show is a free event that takes place every year in September. It is one of the biggest boat shows in the UK and attracts thousands of visitors from all over the world. The show features a wide range of boats, from luxury yachts to small dinghies, as well as a variety of marine equipment and accessories. The show is held at Mayflower Park, which is located on the waterfront in the city centre. The show has a long history and has been running for over 50 years. It is a great choice for budget-conscious travellers as it is completely free to attend and offers a unique opportunity to experience the thrill of the sea.