You may go there just for the experience of dining in the middle of the sea.
Although, I did recall having dined on a Kelong (Fish Farm) before, this one was a Kelong converted to a purpose-built floating Seafood Restaurant.
Taxis/ Uber can't get there. You need to charter a bumboat from Changi Point Ferry Terminal.
Here, we share some of our Halal eatery finds.