Beached shipwrecks can be any orientation, even upside-down (which can't in vanilla). This includes vertical wrecks!
Shipwrecks occasionally have debris scattered around them
Shipwrecks can generate with missing pieces disconnected from the main wreck
Some of the disconnected chunks can even contain their respective loot chest
Hole in one!
Upward shipwreck with disconnected backend
Overhead view of a shipwreck
A shipwreck which has flipped over
Behind view of a shipwreck
All the possible pieces for each Revamped Shipwreck as of 1.0.1. Segments with a black background are vanilla, the rest are new and custom made.
These are ALL the possible vanilla shipwrecks.

Shipwreck structures redesigned with jigsaw degradation stages, hundreds of unique combinations!