Hi chiquiquita,
I’m not sure what size you’re looking at but latex is a heavier material so depending also on the thickness and the density of the latex and whether you prefer a latex support core your weight restriction may present some issues. The good news though is that Talalay is lighter than Dunlop. Blended Talalay is also lighter than 100% natural Talalay.
Some of the better options and possibilities I’m aware of in the New York City area are listed in post #2 here and there is a more categorized list with more complete descriptions of some of them in post #7 here.
Phoenix