West of Marmaris; Datça Peninsula and Kerme Bay, Ula on the north, Montenegro, Balan Mountain and the Daily Hills on the east, and the Mediterranean on the south. Adaköy, Keçi Island, Sedir Island, and Güvercin Island are located right in front of the bay. Marmaris ship ports are important structures due to their geographical location. The oldest part of the region is Kale Mahallesi which extends towards the sea. Dalaman Airport, where airplane landings and departures can be made, is 1 hour away from the center.

The distance between Marmaris and Rhodes can be taken easily in 45 minutes. Mediterranean climate is effective in the district. While the summer months are hot and dry, the winter months are warm and rainy. Due to the locations of the mountains, the annual rainfall of Marmaris is high. Rize, Turkey in general, even when taken after the base is the second most rainfall in the area. The total amount of precipitation it receives during the year is more than 1200 mm. There is plenty of rainfall in the district during the winter season. This situation causes floods in months when heavy rains are seen. The region does not receive much precipitation between May and September. There are many ancient cities within the borders of Marmaris. Since the history of the district is very old, it is common to come across old settlements. Beldibi, Hisarönü, Bayırköy, Bozburun, Söğütköy, Taşlıca, Bozukkale, Serçe Harbor, Sedir Island, and Karacasöğüt are some of the ancient cities.