The Cuates y Cuetes Webcam has a great view towards the north, down the boardwalk just north of the Los Muertos Pier.
This is a time lapse cam so a sunset is almost always a good bet here. Check the time of the sunset Vallarta Shores Villas and Condos is located at the south end of Los Muertos Beach. They have added what they call Sky Suites which are luxurious and spacious.
Google Translate does a good job of translating the names of volcanoes in the table on the right-hand side of the page to find your volcano of choice.
However, they don't allow direct links to the webcams, so the Japanese volcano webcams listed below are in addition to those on the JMA website.
Check out the list below of volcano webcams, sorted by geographic location.
I can't guarantee that they all work – webcams are tricky to keep operational even in ideal conditions – but even clicking through a few shows just how restless many volcanoes around the globe are.