After being released on bail, he cut his electronic tag as he intended to drown himself.
The court also ordered the husband to pay S$90,000 in compensation.
The current Singapore Cruise Centre will not be part of the new complex, which is set for completion in 2031.
The woman's husband, who was operating the boat, lost control of the vessel as it reached the river bend.
The woman trusted the fortune-teller as others had claimed their predictions were highly accurate.
The four tried to hide the drugs from the police by sitting on top of the packets.
Rescue workers smashed the sunroof to pull the victim out of the vehicle, but were too late.
The entire process took about 52 hours of precise, round-the-clock coordination.
The judge noted that one of the men had attended counselling and imposed a lighter fine on him.
A notice board in the BTO lift lobby meant for ads was instead left half-empty.