The Island
I made this environment using WorldMachine / I then created the terrain shader with 2 megascans / and the WolrldAlignedBlend system that I instantiated to be able to adjust the vegetation in procedural ...
I made 2 palm trees under SpeedTree and I integrated them into the Unreal Engine 4 where I carried out the complete lighting using the PostProcessVolume ...
I also used the Ocean plugin from unreal engine to create the sea ... here is the result /// :)