There is no definitive answer to this question as it largely depends on personal preference. However, some of the more popular 1.18 seeds include:
-Island Survival: This seed spawns you on a small island with limited resources, forcing you to get creative in order to survive.
-Desert Temple: This seed spawns you near a desert temple, which can be looted for valuable items.
-Nether Fortress: This seed spawns you near a nether fortress, making it perfect for those who want to explore the Nether dimension.