Hi Judith -- Thanks for your question, and sorry I'm just seeing this.

Based on the description you provided, I am guessing your mattress has a latex support core. There are other types of mattresses that do not use metal springs, however the only ones that tend to be extremely heavy are ones that are made from latex. Latex mattresses also tend to be high-end, which would match up with the price point you mentioned.

The good news is that this type of mattress is very much still available. There are currently 19 mattresses that use a latex support core, and that includes some very good choices:

https://www.goodbed.com/mattress-models/?support-type=5

You can narrow this list down further using the filters, or you can let us know what else you're looking for and we can help you hone in on which ones would be best for you.

The bad news is that this type of mattress can be hard to find in a local store. All of the mattresses in the list above can be purchased online (no matter where you live), but if you're only interested in mattresses that you can buy from a nearby store, you can check here to see if any of the stores in your area carry this type of mattress: https://www.goodbed.com/mattress-brands/?support-type=5

If it guesses your location incorrectly, you can enter your correct zip code using the "Distance & Location" filter.

I hope that's helpful.