Service 401 from Bedok interchange but the bus will go thru
Marine Parade, Old Airport Rd etc before going to Big Splash.
Operates from 2pm to 10pm on Saturday.
If it is possible, do not take service 401. Take services 31, 36,
76, 135, 196 or 197 to Amber Rd. Near the roundabout there is a
branch Amber Rd (you can see Amber Hotel next to the entrance of
this branch Amber Rd), go via this road for about 100m or so, you
will see a small road on the left with underpass signpost, go into
this road, at the end of the small road there is a pedestrian path
on the right leading to the underpass. When you get out of the
underpass, turn to the right, walk a bit and you can see a big
carpark plus the entrance to Big Splash.