Minecraft mountain seed 1.15.1 near the ocean
We've found a pretty good Minecraft mountain seed 1.15.1 where players start on some plains right beside a massive mountain biome with really big mountains. This 1.15.1 Minecraft seed also starts players right next to the ocean, they'll find island if they swim out far enough.
The seed is: -3714921957230039972
Another feature of this seed for Minecraft is the animals at the starting location. If you look around after spawning in you'll find cows, chickens, sheep, and pigs in the starting plains biome. The mountains are also pretty extensive and go on for quite some time. There are rivers as well. The mountains are snowy and have taiga style trees. There are a lot of fun places to find and explore in the mountains of this cool Minecraft seed.