Hi,
We don't live on HDA but have bought an apartment in the Spanish Village this year, so have been over a few times.
Everyone we have met have been really friendly and welcoming, and given helpful advice when we've needed it.
There isn't a supermarket onsite at the moment, but there is a large Mercado in Fuente Alamo. It's a 5 min car ride, or 15 mins on a bike from the front gate and has everything you need., including a fresh meat and fish counter.
Unfortunately there isn't much information about the resort on Forums, as we found when we were buying, but I would be happy to help with any other questions you may have.
Paul