According to Official Guinness Records,
The most swimming pools in a resort is 643, achieved by the Lexis Hibiscus Port Dickson (Malaysia), as verified in research published on 14 October 2016.The research only considered pools which exceeded 1.5 m x 2 m in size. Each villa at the resort has its own private swimming pool.
For a complete list of 2016 records, please visit 2016 Guinness Records in Malaysia.