Canvey Island Thorney Bay beach at Southend-on-Sea is a popular surfing spot with a sandy bay backend with grass, sometimes on low tide the beach can become muddy. There are shops and facilities such as toilets available and a promenade. There are no dog restrictions on the beach all year round and is one of 2 available in the area. In Canvey Island itself there are plenty facilities available including car parking & nearby golf course ‘Castle Point Golf Club’.