Posted: Mon Jun 10, 2019 8:59am
I have an apartment next to the meridional hotel at the front of Guardamar (location below).
https://www.google.com/maps/place/Hotel+Meridional/@38.078959,-0.648618,15z/data=!4m2!3m1!1s0x0:0xa1905e267c45566b?sa=X&ved=2ahUKEwjY5KTNqd7iAhUKoRQKHWStDk4Q_BIwFHoECA4QCA
The issue with long term lets in Guardamar, or certainly in the most popular/beachfront type locations, is that in the summer months, they rent for considerably more - perhaps you can get the equivalent of a months-or two equivalent long term rental, but in a week in summer rental peak periods.
I don't rent mine out, though advised it could get as much as potentially €1000 (3-bed front line) in a week, which suggests why there may be a shortage of a certain type of property for the long term - over the summer.
I am sure you will be able to find something to rent, but you may need to go 'a little further back' - perhaps towards the park or behind (near the town hall), as popular short term apartments closer to the front, you may struggle a little with long term rental.
Guardamar is also very popular with the Spanish - and many from large cities like Madrid, have second homes and also use them all summer (another reason for issues of availability). In recent years, has become more and more international - but still popular with many locals.
It is a little quiet in the winter, though not sure that's a bad thing - shops in the main still open (apart from Carrefour express), Torrevieja 5-10 min drive if you want busier. Los Montesinos perhaps 15 mins drive at most and again Quesada / Rojales, maybe 10 mins drive, so in the middle of a few different areas.
It is a lovely place, beautiful park + a separate dog park, plenty of places to eat - over 100 restaurants. However, it is not generally a very noisy place (fiestas aside) full of noisy nightclubs - a little more family friendly, rather than the most exciting place. I visited for a number of years before buying there & couldn't be happier with the area. To me feels a little more relaxed than Torrevieja - smaller.