The Pool at Tropical Resort Langkawi
Tropical Resort's pool is referenced by expert reviewers. Of the 2 professionals that we tracked, 2 mentioned the pool, such as Lonely Planet and Oyster.
Tropical Resort Langkawi 
 Lonely Planet
 Oyster
 "At night the soft lighting around the pool makes for a romantic setting" 
 "Travelers may prefer the Sunset Beach Resort, which has beach loungers and a more central location, though it lacks a pool and free breakfast"