2 possible ferries:
(a) From Bang-Na, taxi from On-Nut BTS.
Pier Co-ords N13 40.599 E100 35.278
Push bikes for rent on "island" here (info courtesy Monkey_King)
:
N13 40.630 E100 34.966
(b) From Bangkok Bank Rama III Road, Taxi from Chong Nong Si,
BTS
Ferry Co-ords:
N13 41.454 E100 33.012
This is not for faint hearts, this is nearest ferry for this
cache
You will have problems getting off the ferry if you cannot raise
from a deep squat unaided