This is as close as you get to a one tree survival island: a two tree survival island! One oak tree and one birch tree and deep ocean. For Minecraft PE/Bedrock Edition.
In this Shipwreck Seed for Bedrock Edition players of Minecraft PE you spawn on an island with a shipwreck offshore (including a buried treasure map). A Minecraft PE Seed (Bedrock) for 1.6, 1.7, 1.8 and higher.
Grab the chest loot from the pyramid/desert temple at the game spawn point in this Minecraft PE Seed (Bedrock Edition Seed). You’ll get emeralds, horse armor, gunpowder, gold and more items!
In this Minecraft PE island seed you spawn on a massive jungle island. Beaches, turtles, jungle pandas and a jungle temple await. For Minecraft PE/Bedrock versions 1.6, 1.7, 1.8+ and higher.
In this Minecraft PE Blacksmith Village Seed you spawn on the edge of a swamp biome with a witch hut offshore. Behind you, a cool mountainous blacksmith village! For PE/Bedrock version 1.5, 1.6, 1.7 and higher.