Complex sentence: The town/marina has an extensive variety of activities which are usually on a Tuesday and Thursday and weekends, activities include touring the local caves (on the coastline) which are nearer Albufeira rather than Vilamoura.
Split into simpler sentences: The town/marina has an extensive variety of activities which are usually on Tuesdays, Thursdays and weekends. Activities include touring the local caves (on the coastline) which are nearer Albufeira rather than Vilamoura.