In this seed you will spawn in the middle of the ocean on a small island near the big Nether portal. Not a bad start for your hardcore ocean survival. There are several useful structures near the island: ruins (20 ~ 120), a shipwreck (175 ~ 300), and an ocean monument (250 ~ 200).
How to use Spawn on the Island Near the Big Nether Portal seed
Start the Singleplayer mode
Select ‘Create New World’
Then click on ‘More World Options…’
In the ‘Seed for the World generation’ field, enter 260048796334537681