Check your local yellow or white page listings , there would be all the listings for these types of rentals that you are looking for .
www.forleasebyowner.com is a good site to check. They have a lot of listings.
Sun Realty in North Carolina offers guides on vacationing, vacation rentals and real estate listings. Among the vacation rentals on offer are long term rentals, luxury rentals and pet friendly rentals.
CapeCodRental.com is a very handy place to find house, apartment and condo rentals in Cape Cod.
Trip Advisor is a great place to look for all sorts of vacation rentals and reviews of the rentals. Flipkey also has listings for vacation rentals in Calgary. The Calgary Tourism Bureau could also provide a listing of some rentals.
All listings under Scottsdale Rentals appear to be for real estate. One can rent houses, apartments, condominiums, hotel rooms, and cabins through the use of Scottsdale rentals.
The best place to find generator rentals is in your local phone book under the yellow page listings for generator rentals. If necessary you could also phone information in order to obtain a local listing under generator rentals.
Newspapers are a great souce to find home rentals. Many Real Estate companies have listings for home rentals as well. You can also inquire with rental property agencies to find home rentals in your area.
miami.olx.com has rentals for houses and appartments. They do list some duplexes. Your best bet for rentals in Miami is to check private listings on Craigslist. This generally includes listings for apartments, houses, and duplexes for rent. See here -- http://miami.craigslist.org/
Www.forrent.com can give you a list of several rentals in the New York area.
Rightmove, Zoopla and Prime Location each have many listings for rentals in Hastings. Listings can also be found in the local newspapers such as the Hastings Observer.
One can find listings for apartments in Boston online at ForRent, ApartmentGuide, and Rent. One can also look in the local newspaper for available rentals.
Get Away Carribean http://www.getawaycaribbean.com/ has listings for vacation home rentals. Real Adventures http://realadventures.com/vacation-rentals-caribbean.htm also has listings for houses, villas, condos, and cottages. You can try http://www.beachhouse.com/ or http://www.vrbo.com/ for houses all over the world. If you do not feel comfortable renting directly from the owner it may be better to try calling for information.