There are a lot of activities in and around Antalya. Below are links to some websites.

https://www.tripadvisor.co.uk/Attractions-g297962-Activities-Antalya_Turkish_Mediterranean_Coast.html

https://excursionmania.com/destinations/excursions-antalya/?gad_source=1&gclid=Cj0KCQjw4Oe4BhCcARIsADQ0cskMYpgGgMI2GhTFD0RARHGhE38kFwthRm6IMjp3DAJJpH9yVcLmoU0aAiuZEALw_wcB