Overview
- Mikkel Lee won the men's 50m freestyle in 21.92s after taking the 100m freestyle in 48.65s a day earlier, both personal bests.
- Letitia Sim captured the women's 200m individual medley in 2:13.42 for new SEA Games and Singapore records after winning the 50m breaststroke on day one.
- Gan Ching Hwee took the women's 200m freestyle in a personal-best 2:00.02 to complete a three-peat of the event.
- Quah Zheng Wen's five-Games run in the 100m backstroke ended with bronze; he later won silver in the 50m back, and Singapore's men claimed 4x200m freestyle bronze in 7:21.13.
- The Philippines won the women's 4x100m freestyle relay to halt Singapore's streak, and sprinter Shanti Pereira retained the women's 100m title in 11.37s.