Ocean Monument Past a Deep Ocean Coast and a Jungle Shore — Java 26.3

A plains start with a monument about 605 blocks south-west and ocean covering nearly half the map.

Top-down 2D biome map centred on the spawn marker in Plains, with ocean to one side and markers for a ruined portal, shipwreck, ocean monument and ancient city.
Java 26.3 Edition Java Spawn 104, -56 Biome Plains Structures 4
Pale GardenAncient CityAll BiomesBamboo JungleDark ForestForestJungleOceanPlainsSparse JungleOcean MonumentRuined Portal
Open in the seed map →
Seed 7416242885509715629

Copy it into Minecraft 26.3 (Java).

The prize here is an Ocean Monument about 605 blocks south-west of spawn, reached across a world that is mostly water: Deep Ocean takes roughly 35% of the map and plain Ocean another 11%. Spawn itself is ordinary Plains. A ruined portal sits about 154 blocks south-east and a shipwreck about 281 blocks east, so you can gear up on the way. An Ancient City lies about 996 blocks north-east.

Structures near spawn
Ruined Portal ↘ SE 176, 80 154
Shipwreck → E 384, -80 281
Ocean Monument ↙ SW -432, 224 605
Ancient City ↗ NE 800, -768 996
💎 Diamonds, open to a cave ↓ S 102, -46 Y -31 10
💎 Diamonds, dig down ↓ S 104, -56 Y -19 0
Biome mix near spawn
Deep Ocean 35%
Ocean 11%
Plains 6%
Jungle 5%
River 4%
Lukewarm Ocean 4%
Bamboo Jungle 4%