| Tape image | /pub/sinclair/games/s/SeaDragon.tzx.zip | 289,176 | - | NoneUnidentified copy (if STP) or original release | | |
| Disk image | /pub/sinclair/trdos/games/s/SeaDragon.trd.zip | 288,779 | - | Undetermined | | |
| Loading screen | /pub/sinclair/screens/load/s/scr/SeaDragon.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/s/SeaDragon.gif | 1,786 | - | | | |
| Game map | /pub/sinclair/games-maps/s/SeaDragon.png | 37,320 | - | | | |
| Remote link | http://seadragon.svn.sourceforge.net/viewvc/seadragon | - | - | | | Source code repository |
| RZX playback file | https://archive.org/download/rzxarchive/seadragon.zip | - | - | | | Recorded by Solaris104 and Rafal (with rollback) |