Certainly, here's a suggested itinerary for exploring Dikili, a wonderful holiday destination in Izmir known for its natural beauties and historical richness, with your rented car. This journey allows you to experience the hidden gems of the region at your own pace.

Dikili Center
Upon arriving in Dikili, start by visiting the lively center of Dikili. Explore the local markets and taste the regional flavors here. Take a short break in the cafes along the coastline to enjoy the view of the Aegean Sea.

Bademli Village
Close to Dikili, Bademli Village stands out with its tranquil atmosphere and natural beauties. Discover the historic structures and natural resources in the village. Don’t forget to take a walk among the olive groves surrounding the village.

Garip Island
Accessible by boat tours from Dikili, Garip Island is famous for its underwater life and crystal-clear waters, making it an ideal spot for diving and snorkeling. Organizing a boat tour will ensure an unforgettable experience in Dikili.

Çandarlı Castle
A short drive from Dikili will take you to Çandarlı, where a well-preserved Ottoman castle is located. The castle and its surroundings are a must-visit for history enthusiasts. Enjoy the spectacular view of the Aegean from the castle walls.

Nebiler Waterfall
One of Dikili's natural beauties, Nebiler Waterfall, is a perfect spot to cool off, especially on hot summer days. A short hike to the waterfall will give you an insight into the region's flora and fauna.

Travel Tips
Pay attention to parking spaces and traffic rules while visiting places around Dikili.
The area can be quite crowded during the summer months; hence, moving early to popular places can be a good idea.

When renting a car, don’t forget to choose a vehicle with features that may be necessary during the summer months, like air conditioning.

This itinerary covers the most popular spots in and around Dikili, but the area hosts many hidden gems waiting to be discovered. Be flexible on your journey and take time to explore!