Most of them are accessible as links by the named city on this page
For your search around Las Colinas, I would suggest the following
By the way, technically no website lists them all, because those offered by owners are not listed in the MLS.
Your MLS will list some. But a lot of people handle it themselves. So, also check on Craigslist and other sites where people can post rentals. And check in your local papers. Some likely will be listed there. But, unfortunately, there's no single web site that lists all of them.
There is no one site that lists all properties for lease, in any area. This is a result of a large pool of resources for owners and property managers to advertise their available properties to tenants; here are some of the major sources I am aware of:
Local property management (call around and inform them what you are looking for and they will let you know if they have it... many of those properties don't get listed online)
I found one property manager here on Trulia, for your zip; you can search broader:
If you were in my area, I could definitely help you further, to find what you are seeking ;)
I can help with any of your Las Vegas Real Estate needs or questions; feel free to contact me direct.
Mark D Fleysher, MBA, Broker, REALTOR
The Jack Conley Realty Group
C. 702-291-8186 F. 702-946-0843