Complex sentence: The development could house an anticipated additional 6,000 residents on the island, including an additional 1900 units with 700 reserved for subsidized housing, a 260 suite hotel, and facilities for water sports.
Split into simpler sentences: The development could house an anticipated additional 6,000 residents on the island. Zoning for the community could consist of up to 1900 units with 700 reserved for subsidized housing, a 260 suite hotel, and facilities for water sports.