How big a boat? I have a soon to be discarded 16' bowrider. I'll sell the trailer separate. 2 or 3 year old tires, waterproof lights about the same age. Rollers in back & bunks on sides. I replaced the keel rollers maybe 3 years ago. 14" or 15" tires. I want to keep guide posts. I don't have a photo of just trailer but this link will show it with boat on it.
[ame="http://s789.photobucket.com/albums/yy173/Fisherball1/1975%20MFG%20Gypsy%2016/"]1975 MFG Gypsy 16 pictures by Fisherball1 - Photobucket[/ame]
Click where it says 1795 MFG 16 pictures by Fisherball1
Scroll down through album to see trailer. Let me know.