Different Google Map Styles
You can create as many Google maps as you want, add as many marker as want to them.
You can find different styles on Snazzy Maps https://snazzymaps.com/ you can use the for free if they are licensed under creative commons.
Roadmap - Classic Google map style
Terrain - Blue Essence style - No map controls
Roadmap - Subtle Grayscale style - Zoom disabled when mouse whell scroll
Clicking on custom marks shows info windows up - Zoom disabled when mouse whell scroll
Hybird - New York
Satellite - No markers - Level 12