In this seed, you will spawn on an island with a village, next to which there is another island with a settlement (-140 ~ 148). You can start your survival here and try to connect these two villages on islands. Also near each of them there are ocean ruins and shipwreck. You will find them at 145 ~ 104, 24 ~ 0, -315 ~ 155 and -170 ~ 60.
How to use Two Villages on Islands seed
Start the Singleplayer mode
Select ‘Create New World’
Then click on ‘More World Options…’
In the ‘Seed for the World generation’ field, enter 726900998444478744