Minecraft wiki entry for Shipwreck, associated text: A shipwreck that generated on a beach.
A shipwreck in an ocean with its masts sticking out above the water.
A shipwreck that generated above a beach island.
A partial shipwreck that generated on an island.
A shipwreck that generated on the beach and lake in a forest.
An undamaged shipwreck that generated entirely on land.
A shipwreck that generated on a cliff high above both the ground and sea level.
A shipwreck that generated almost completely underground.
A shipwreck that generated inside a glacier in a frozen ocean.
A shipwreck that generated inside some ocean ruins.
Two different shipwrecks spawned next to each other, appearing to make one shipwreck. Notice how the front half is made of birch and oak, while the rear half is made of jungle and spruce.
A shipwreck that generated inside an iceberg.
Another ship generated inside an iceberg.
Two shipwrecks that generated within each other (note the different wood types), and partially above sea level, both facing a nearby ocean monument.
Shipwreck generated on land near the forest biome.
Shipwreck almost completely buried.
Shipwreck generated in dark forest biome.
Two half shipwrecks that generated into each other, making a full half shipwreck.
2 shipwrecks joined in 1 full boat.
Shipwreck generated inside iceberg. Also notice mushroom island nearby.