Mangrove Swamp Start with a Desert Pyramid and Warm Ocean — Java 26.3

Spawn in a mangrove swamp, with a desert pyramid about 306 blocks away and warm ocean to the south-west.

Top-down 2D biome map centred on the spawn marker in a mangrove swamp, with markers for a desert pyramid, shipwreck, woodland mansion and stronghold.
Java 26.3 Edition Java Spawn 8, 8 Biome Mangrove Swamp Structures 3
Woodland MansionBamboo JungleDesertForestJungleMangrove SwampOceanPlainsSavannaSparse JungleWarm OceanDesert Pyramid
Open in the seed map →
Seed 7439513999393030862

Copy it into Minecraft 26.3 (Java).

You start standing in a Mangrove Swamp at (8, 8), a rare biome to begin in, and it covers about 9% of the surrounding area. Forest, jungle and savanna patches sit only about 64 blocks away. The closest structure is a desert pyramid about 306 blocks south-east, with a shipwreck about 407 blocks south-west and a woodland mansion about 556 blocks north-east. Warm ocean takes up roughly 18% of the area nearby.

Structures near spawn
Desert Pyramid ↘ SE 240, 208 306
Shipwreck ↙ SW -272, 304 407
Woodland Mansion ↗ NE 368, -416 556
💎 Diamonds, open to a cave → E 52, -8 Y -45 47
💎 Diamonds, dig down ↘ SE 10, 10 Y -55 3
Biome mix near spawn
Warm Ocean 18%
Desert 9%
Mangrove Swamp 9%
Plains 8%
Savanna 8%
River 7%
Jungle 6%