I don't know the location but I can say from the listings that:
http://www.realestate.com.au/property-house-wa-bluff+point-110919707
1. It has a huge car park at the back of the house which is bad for noise and security.
2. It's two streets away from the Highway and I'd imagine that it may get noisy - especially on wet days.
3. The property itself isn't too bad; needs a little bit of refurbishment in the kitchen,(new bench top and handles), paint the feature walls white, new blinds throughout, and new floor coverings in the kitchen and other areas where it looks dated. Not that it needs doing; you could lease it as is I'm sure but it'd be worth talking with the agent to establish possible differences in rent.
*1000sqm could have potential to be subdivided.
http://www.realestate.com.au/property-house-wa-sunset+beach-110275201
1. Location looks better on this one with regards to proximity beach and high way.
2. Need to find out what zoning that large vacant lot is to know what's going to be built there
3. There is a lot of land that's been readied for development; possible supply vs. demand issues in future? Talk to council and get population growth projections. Also, talk to agents to find out what areas are better than others as this looks like a more affordable, new dwelling area.
4. This property is in better condition but on a smaller block - work out the costs per square meter (price/sqm)
http://www.realestate.com.au/property-house-wa-sunset+beach-109002811
1. Don't like this one; it's on a busier road with a bus route on it and is on the outer nothern ring of housing and closer to the new development area. I personally am not a fan of those late 70's early 80's archways and sandy bricks (the 1950's ones are nice though) and this building is on a smaller block.
http://www.realestate.com.au/property-house-wa-mount+tarcoola-109669666
1. On paper this location is superior to the previous ones. It's a little close to the highway again but that's negated by the proximity to town, the beach and has established neighborhoods surrounding.
2. The property is in good condition but I'm not a fan of slant architecture or exposed beams (especially in what looks to be a 1984ish house). Probably worth talking to agents to see what this would lease for vs. the others.
http://www.realestate.com.au/property-house-wa-mount+tarcoola-109580816
1. Easily the best out of this list.