MY BOAT IS GONE SO I HAVE A 2007 TRI AXLE 15,000 POUND CAPACITY PRESTIGE BOAT TRAILER FOR SALE.  THE TOTAL LENGTH IS 40 FEET.  THE BUNKS WERE ORIGINALLY SET UP FOR A 33 FORMULA.  I ALTERED THEM TO FIT MY 330 SUNDANCER.  (ADJUSTING TO ANY OTHER BOAT WOULD TAKE ABOUT TWO HOURS)  THERE IS ROOM TO MOVE THE WINCH TOWER FORWARD 50 INCHES FOR A LARGER BOAT.  (Mine was a 33 foot Sundancer)  
IT IS IN VERY GOOD CONDITION AND PULLS GREAT.  I DELIVERED MY 13,000 LB BOAT AT 60 MPH.  IT PULLED FLAWLESSLY.  THE TRAILER HAS SURGE BRAKES ON ALL THREE AXLES, THEY WORK GREAT.  THE TRAILER HAS BEEN USED VERY LITTLE.  IT HAS HAD A BOAT ON IT FOR ABOUT 440 MILES.  IT WAS ALSO USED FOR STORAGE.
I MAY CONSIDER DELIVERY FOR AN ADDITIONAL FEE.

I ALSO HAVE A NEW (STILL IN THE BOX) 10'8" BRIS DINGHY.  IT HAS SOFT BOTTOM AND ALUMINUM FLOOR.  THE MOTOR IS A 2005 15 HP 2 STROKE MERCURY.  THE MOTOR HAS ONLY HAD NON ETHYNOL GAS IN IT.  IT MOTOR HAS HAD LIGHT USE AND RUNS GREAT!  $2300 OBO  
I'M THE OWNER AND DEVELOPER OF TRICK DAVITS.  A DAVIT SYSTEM CAN BE ADDED TO THIS PACKAGE.
FOR MORE INFO ON ANY OF THE ABOVE YOU CAN CALL    JIM AT 906 458 9835
The reserve is quite a bit less than the $5600 mentioned in one of the questions.  This is not a new trailer.