The maps back that you have for sale https://www.dndbeyond.com/marketplace/maps can you please add them to the maps thing for games also it is a pain to find and difficult to find out what they look like without downloading them all. I have to go to the marketplace just to view the product i already own.

I 2nd this, and would also like to add that the Geomorph Cards included in the Dungeon Kit would be a great addition as well. 

As part of the Maps development process, existing products are being backfilled into maps. Most recently Shadow of the Dragon Queen and Call of the Netherdeep were added. So Tactical Maps reincarnated will eventually come

As for the geomorph cards, those aren't really compatible with Maps due to how it works (and also aren't even available on D&D Beyond)

I can still dream though lol

Agree with OP, pretty frustrating to see the marketing showing that certain adventures are compatible with maps, and there is no info on how to integrate them.  i bought phandelver specifically because it says it has "maps" and i have no clue how to bring them in. other than an archaic cut and paste process.

Quote from DannaRamma >>

Agree with OP, pretty frustrating to see the marketing showing that certain adventures are compatible with maps, and there is no info on how to integrate them.  i bought phandelver specifically because it says it has "maps" and i have no clue how to bring them in. other than an archaic cut and paste process.

 
With respect I cannot fathom how you have no clue. It's insanely blaring massively obvious how. 

You go to Maps.

It asks you to select a campaign. Select your campaign. 

It them brings up a large box where it very clearly has option to add a basic map, or a map you have uploaded, or to choose a map from an adventure. 

Select your map by clicking the + button.

The map loads.

Whenever you want to change map you can click the map name to select any already loaded maps or the map browser option to bring back that big box again.

Quite frankly of all the VTT maps I've used, this is the most intuitively designed and easiest to use for loading the maps. 

When first purchased and after several reloads thats how I assumed it was supposed to work.  It finally showed up, so I assume it had something to do with refresh and or cache.  Can you fathom that now?

Quote from DannaRamma >>

When first purchased and after several reloads thats how I assumed it was supposed to work.  It finally showed up, so I assume it had something to do with refresh and or cache.  Can you fathom that now?

So your issue wasn't about not knowing how Maps worked, it was the correct map not showing (a caching/server issue). This was not detailed in your original post, hence my confusion. You posed it as asking how to use Maps, not why a specific map wasn't on the list. Either way, I am glad it was resolved for you.

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For others experiencing a similar issue of a Map not appearing when the Marketplace details the book is Maps compatible, it can take some time for the Licenses to update and unlock the content in the various tools, including Maps. Sometimes you can only wait but sometimes you can try checking if you need to resync your licenses by going to your Profile then Account then Licenses, or use this link: https://www.dndbeyond.com/account/licenses

If licenses are in sync and the map isn't showing in the list after 24 hours, you may consider contacting support using the Contact Us link at the bottom of any page on this site, or use this link: https://dndbeyond.zendesk.com/hc/en-us/articles/360055233654-Contact-Information

Quote from Waargrin >>

[REDACTED] I own Phandelver as well, and when i go to the map browser, all i can see are

1. My Uploaded Maps

2. Basic Maps

3. Adventures - and this only has "Storm Kings Thunder" and "Waterdeep: Dragon heist" 

[REDACTED]. Phandelver is not there.

[REDACTED]

Provided you own the adventure and aren't simply having it shared with you, it will display in Maps.

Also remember the maps tool is still in alpha, bugs and quirks are to be expected.