In this seed, you will start the game in a forest near a lake with a mansion and ocean monument. This place is quite cozy and picturesque. The mansion is located at point 150 ~ 180, the monument is located next to it, at coordinates 245 ~ 270. Also near this place you can find a buried treasure (under water, at point 345 ~ 249) and a Nether portal (0 ~ 145).
How to use Lake With Mansion and Ocean Monument seed
Start the Singleplayer mode
Select ‘Create New World’
Then click on ‘More World Options…’
In the ‘Seed for the World generation’ field, enter 7301750819121327871