Bad Münster am Stein-Ebernburg lies between 108 and 320 m above sea level at the foot of Castle Ebernburg in a region of low mountains with forests and vineyards framed by craggy massifs of the Rheingrafenstein and the Rotenfels and also by the river Nahe.

[2] The two constituent communities’ separate histories may no longer live on politically, but they are still reflected in ecclesiastical administration, with Bad Münster belonging to the Evangelical Church in the Rhineland and the Roman Catholic Diocese of Trier and Ebernburg on the other hand belonging to the Evangelical Church of the Palatinate and the Roman Catholic Diocese of Speyer.

The people busied themselves with running saltworks, fishing on the Nahe, farming and for a time, copper mining in the Huttental (dale).

In the Second World War, the area around the railway bridge going towards the Salinental was partly destroyed in many Allied air raids.

In the post-war years, the centre has undergone a thorough change in appearance owing to the expansion of the spa infrastructure.

Its first documentary mention goes back to 1212 when the Counts of Saarbrücken donated the church at Ebernburg to the Saint Cyriacus Foundation near Worms.

Both the village and the like-named castle originally lay elsewhere, although it is still unknown where this was, although perhaps it was around "Old Saint John the Baptist’s Church" (Alte Johannes-Kirche).

In 1338, Raugrave Ruprecht and Count Johann of Sponheim-Kreuznach took it upon themselves to build the castle and the town on the site where they still stand today.

As early as the beginning of the spa business in the late 19th century, Ebernburg underwent a quick expansion outside these walls, which is still not quite over.

Owing to the peculiarities in the Rhineland-Palatinate electoral system as it pertains to municipal elections (personalized proportional representation), the percentages given in the table above are presented as "weighted results", which can only reflect the voting relations arithmetically.

The town's arms might in English heraldic language be described thus: Tierced in mantle dexter sable five roundles in saltire argent, sinister sable a lion rampant of the second crowned Or and langued gules, issuant from base argent a tower embattled gules with two arrowslits in pale of the first.

The quincunx and the tower were both charges found in Ebernburg's coat of arms before the 1969 amalgamation, the former being an heraldic device once borne by the Lords of Sickingen, who once held the local area, and the latter being a representation of the local Castle Ebernburg, which was also held by the Lords of Sickingen.

Ebernburg's arms had a "tierced in mantle" division of the field like the combined town's (that is, somewhat resembling a parted coat), but the dexter (armsbearer's right, viewer's left) and sinister (armsbearer's left, viewer's right) sides were of different tinctures, with the sinister side in argent (silver).

[8][9][10] Bad Münster am Stein-Ebernburg fosters partnerships with the following places:[11] The following are listed buildings or sites in Rhineland-Palatinate’s Directory of Cultural Monuments:[12] Among the town's sights are the rock formations known as the Rotenfels and the Rheingrafenstein, the latter of which bears a crag which itself bears the castle of the same name right on the river Nahe.

There is evidence that the graduation towers used for producing salt in Bad Münster am Stein already had their current form as far back as 1729.

From the top, the water trickles down in innumerable drops through walls of blackthorn to a collection basin, while the air in the area is enriched with salty material such as iodine, bromine and strontium ions as well as the noble gas radon.

Most commercial enterprises in the town nowadays are tourism operations (lodging, inns) and winegrowing estates.