Altinkum is the most important beach in Didim.Altinkum means golden sand and its sea and beach are inviting to you.The sea is very shallow for a long way out and so is ideal for children.The beach is located centre of town.Altinkum beach has blue flag which international means eco-label awarded for marinas or beaches Blue flag works towards sustainable development at beaches or marinas thourgh strict criteria dealing with water quality ,environmental education and information ,environmental management ,safety etc.There are some other beaches and coves in Altinkum.