These all refer to the same condo development at the north end of town. Tradewind is a wholesaler (in Minnesota, I think, or Wisconsin) and the owner there bought a number of units at Paradise Villas and markets them separately. Then there is the non-Tradewinds Paradise Villas local management. Then some Paradise Villas owners market their condos separately and independently. I think I have that right -- it is a bit confusing.
In terms of which one is "best" I think you have to look at price and also the amenities the particular condo you're looking at offers. For example, last time I looked around there some units had A/C only in the bedrooms and some had it in the living area as well. Individually owned units have various types and grades of furnishings. Of course, it may not be easy figuring this out by e-mail!
Overall, this little condotel is a good property, though some units may be a bit more equal than others.
Belize First Magazine http://www.turq.com/belizefirst/