Side, Turkey, offers a variety of boat tours that showcase its beautiful coastline and ancient ruins. Here are some popular options for September:

• Manavgat River Cruise: This tour typically includes a trip along the Manavgat River, a visit to the Manavgat Waterfall, and some time on the beach where the river meets the sea. It often includes lunch and a chance to swim in both fresh and saltwater.
• Pirate Boat Tour: A fun option, especially for families, is the pirate-themed boat tour. These tours often include entertainment, swimming stops, and sometimes a foam party. They typically cover the coastline and offer views of ancient ruins and natural beauty.
• Green Canyon Boat Tour: This tour takes you to the Green Canyon, a stunning freshwater lake surrounded by mountains. It’s a peaceful and scenic experience with opportunities for swimming, fishing, and enjoying the natural surroundings.
• Antalya Boat Tour: Although a bit further from Side, this tour takes you along the coastline of Antalya. You can see beautiful beaches, waterfalls, and cliffs, with stops for swimming and snorkeling.
• Sunset Boat Tour: For a more romantic and relaxing experience, consider a sunset boat tour. These tours often include dinner and drinks while you enjoy the beautiful sunset over the Mediterranean Sea.
• Private Yacht Charter: If you prefer a more personalized experience, you can charter a private yacht. This option allows you to customize your itinerary, choosing where you want to go and how long you want to stay at each stop.

Make sure to book in advance, especially for popular tours, as September is still part of the tourist season. Also, check the reviews and what is included in each tour to ensure it meets your preferences.