All the swimming races will be held in one of the most famous bays of Poros, by the verdant Russian Navy with the surviving ruin of the Russian fleet warehouses. The bay is protected by the island of Daskalio, and it has an organized beach, canteen and toilets.

The start will be given in-water on the left side of the Russian Naval Station beach. The athletes will pass clockwise (right turns) to the next two buoys before finishing on the right side of the beach. The swim course is a triangle