Places to find used tandem boat trailers for sale include Trailer Shopper, Boat Trader and eBay, as of March 2015. Boat dealerships, Craigslist and local classified listings are other potential used trailer sources.
Boat Trader and Trailer Shopper both advertise used tandem boat trailers from private owners and dealerships. Sellers on eBay occasionally list tandem trailers, either for auction or immediate purchase. All three websites lists trailers from all over the United States, and buyers may be responsible for pickup or shipping costs.
On Craigslist, buyers can look for tandem boat trailers in the sale listings for boats, recreational vehicles or general merchandise.