https://www.soldenstella.com/Showcase-Folder/Pulau-Ubin-And-Chek-Jawa-Wetlands-Part-I
https://www.soldenstella.com/Showcase-Folder/Pulau-Ubin-And-Chek-Jawa-Wetlands-Part-II
There got no internet fibre, depend on sim card donger.
No electricity. Need to use gas generators.
No PUB water, I think its a stand alone system. But its not connected to mainland water network. BUT, you still need to pay for the water.
Since no water network I wonder how they handle the sewage system.