This is a great Mushroom Biome seed its name is Greta2006 and should be played on Large Biomes. (otherwise you start in the middle of the ocean and have to explore to find a much smaller mushroom island.
Underneath the mushroom biome is a massive abandoned mineshaft cave network. I didn’t finish exploring it, but it is really large. You can find it digging downwards pretty much anywhere but if you want specific coordinates dig at X: -989 Y: 65 Z: -412
A couple of surface diamonds in the mineshaft system at X: -1044 Y: 11 Z: -408
There is a stronghold below the mushrooms at X: -1105 Y: 33 Z: -289 which will take you to the end. The stronghold library is at X: -1075 Y: 30 Z: -285
dsfs is a great minecraft world. Theres a village on an island a short swim from the spawn point. The village can be found at X: 382 Y: 76 Z: 290
The village is sitting atop a large cave system and if you look around in the caves you can find an abandoned mineshaft at X: 366 Y: 41 Z: 275
Near the village at X: 382 Y: 56 Z: 261 is a surface dungeon. Just dig down a few sand blocks and you will find two chests in the dungeon.
In the screenshot with the whole minecraft island you can see the entire layout of the terrain. I like lake in the far side of the island, it looks like something out of a James Bond movie. Overall the whole world seed is pretty awesome, I will be building this out into an awesome super island fortress for the rest of the day!