Complex sentence: The place's economy is mostly based on tourism, because of its 15 km-long beach and each hotel surrounding the beach has its own private section of beach with tables, umbrellas and sun loungers for that hotel only.
Split into simpler sentences: The place's economy is mostly based on tourism, because of its 15 km-long beach. Each hotel surrounding the beach has its own private section of beach with tables, umbrellas and sun loungers for that hotel only.