Sadly, a dead dugong was seen on 9 Jan 2021, afternoon. South of Big Sisters Island, seen from a boat.
Cheong Wen Jie shared on 31 Jan 2021, this sighting of a sea turtle while he was fishing near Marina South Pier.
Elcio Hooman shared on 7 Feb a video of a large sea turtle at the marina at Sentosa.
Koert Breebaart shared on 15 Feb, a sighting of dolphin off the Republic of Singapore Yacht Club at West Coast near the Pasir Panjang Container Terminals.
Tsu Soo Tan shared this sighting: "Hawksbill turtle spotted on Sunday (28 March 2021) in the late afternoon while diving at Pulau Hantu. The shell is about 1 m long, depth about 12 m."
More about Singapore's wild sea turtles, dolphins and dugongs.