Yes, the Textile Sur in San Juan is good for bedding, last month we enquired about a double bed as they stock these in their basement. The cost was about €500 - €600 can't remember exactly. But I do recall in the estimate 6 No. legs - yes legs at 6 euros each. I explained I was a light sleeper and needed only 2 or 3.
The leg business, and I am not pulling yours, put me off. So we drove in to Adeje to a furniture store we have been to before called 'Boom' . But it had shut recently because it had gone 'Bust'. Thought Gord Brown ended 'Boom and Bust'. Any way decided to visit 'Hyper Trebol' supermarket on other side of motorway (town). And here we found a bed shop on ground floor inside. For a reasonable double bed frame with 6 legs included + reasonable memory foam mattress. I think we paid no more than €400 - 450. And they delivered that evening. Think our son slept on it that very night.