The RM Sipadan is a Malaysian navy gun boat, she was sunk just of the coast of Tioman on the 29th March 2012.
She sits next two 3 other wooden wrecks and all 4 can be dived at once, although it is deep to a max depth of 30m. The top is 18m.
Be careful off the glass window still in between two cabins. Big Andy can explain what it feels like to swim into it head first.