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There is not really much to see, as the area is fenced off. You can see a few remnants of walls and the temple, which is covered for protection. The oldest part of the temple ruins date back to the 11th century BC. dated. Over time, the temple was extended by other additions and belonged to the ancient city of Mende. Four buildings were uncovered: the temple, two buildings on the sides of the temple and a vaulted building in the eastern part. The area around this archaeological site and the extensive beach are very worth seeing.
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On Simantra beach west of Kassandria are the ruins of an ancient Roman estate. In addition to the foundations and columns of the mansion, parts of a mosaic and the remains of the adjoining, former pottery can be seen. Centuries later, an early Christian church was built over the ruins of the estate.
On the beach of Kallithea are the ruins of Ammon Zeus Temple, which dates back to about 400 BC. Was built in the 3rd century BC. The god Ammon Zeus is an association of the Egyptian god Ammon and the Greek godfather Zeus and was especially revered in the Sparta region. A temple in honor of this god in the Kassandra region is a unique feature. The excavations are well signposted and photogenic because of its location on a beautiful beach. It is next to the Ammon Zeus Hotel. Approximately 3 km further south is the ruin of an early Christian church of Solina 'from the 5th century. It is fenced and quite inaccessible.
It is a small church painted in blue and white that was built during the Ottoman possession after the appearance of Mary the Virgin. Besides the story that accompanies it, the photogenic church is near the seaside, and the view is amazing.
The canal separates the Kassandra peninsula from the mainland in the very north of the peninsula. Here Kassandra is so narrow that you can see both sides of the peninsula from the road crossing the canal. On the right you can see the Thermic Gulf, on the left the Toronian Gulf. Both seas are connected by the canal. The history of the channel is not fully understood, a report mentions the channel in the 1st century AD. In 1407, the Byzantine Emperor Manuel II Paleologos had the channel again excavate and at the same time build fortifications on its south side. 1423 the Venetians took over Thessaloniki and the channel of Potidea including Kassandra. Despite the military security measures the channel felt in 1430 with Thessaloniki and the peninsula Kassandra to the Ottoman Empire
At the western end of the Cassandra Canal, remnants of the old city walls of Potidea can still be seen. The 6th-century structure was once 1200 meters long and protected the island from intruders.