With this seed for Minecraft: Bedrock Edition
(Minecraft PE) you will appear on a small island. There will be a large coral reef right in front of you, but the most interesting thing is that there will be a sunken ship generated on the shore very close by.
As soon as you appear in the world, turn right to find the ship.
There are chests near and inside the ship, which contain various resources, including a treasure map.
Beyond the ship, you can find a deserted temple.
How to activate the seed?
Launch Minecraft Pocket Edition. Open create world window. Type seed key in field«Seed». Press button «Play» to create a new world. Seed activated, enjoy!