Who built Schloss Mainau?

It was built between 1739 and 1746 for the Teutonic Order, designed by architect Johann Caspar Bagnato.

Can visitors go inside Schloss Mainau?

The ground floor, including the Wappensaal and its café, is open, but the Weißer Saal is only accessible during concerts or events.

Is Schloss Mainau located on an island?

Yes, it stands on Mainau Island in Lake Constance, near the city of Konstanz.

What else can be seen near Schloss Mainau?

A short walk away stands the Schlosskirche St. Marien, a baroque chapel decorated by Feuchtmayer and Spiegler.

Schloss Mainau

Mainau Castle

Konstanz

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Where: Konstanz

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Schloss Mainau stands in Konstanz (Landkreis Konstanz), in Baden-Württemberg, Germany. Its opening hours and prices have not been verified at the source yet.

Schloss Mainau stands on Mainau Island in Konstanz, in the Landkreis Konstanz, Baden-Württemberg, facing Lake Constance. Built between 1739 and 1746 to designs by architect Johann Caspar Bagnato for the Teutonic Order, it forms a symmetrical horseshoe-shaped complex opening toward the mainland, its broad front facing the lake. Inside, the Weißer Saal, a former audience hall redecorated in white and gold in 1883, remains the building's showpiece. The ground floor houses the Wappensaal, used for exhibitions, along with the castle café.

What to know

The Weißer Saal is not open for general viewing; it is used only for concerts or special events such as the castle festival.
The Wappensaal on the ground floor hosts exhibitions open to island visitors.
The baroque Schlosskirche St. Marien, decorated by Joseph Anton Feuchtmayer with ceiling paintings by Franz Joseph Spiegler, stands a short walk from the castle.
A millinery workshop run by Countess Diana Bernadotte can be visited near the Schloss.
The Schloss stands on Mainau Island, and access to the island is required to visit the building.

Practical information

Opening hours

21. März bis 18. Oktober 2026 (Schlossboutique und Ausstellung): 10.00-17.00 Uhr
19. Oktober 2026 bis 9. Januar 2027: 10.00-16.00 Uhr (24. & 31. Dezember: 11.00-14.00 Uhr)
10. Januar bis 28. Februar 2027: 10.00-17.00 Uhr

Annual closures : October 8, 2026 (castle and shops closed)

Visit duration: Not verified
Wheelchair access: Not verified
Dogs: Not verified
Parking: Parking fee (daily rate) €6.00 / €2.00 for annual pass holders

On site

Food and drink
Gift shop

Where this château is

Konstanz · Landkreis Konstanz · Baden-Württemberg

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This châteauChâteaux within 40 km

Address

Insel Mainau, 78465 Konstanz

Directions open from wherever you are, by car or public transport.

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Château phone number

+49 7531 3030

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4.6 / 5from 2,095 Google reviews

Heritage status: Protection status unknown

Frequently asked

Who built Schloss Mainau?: It was built between 1739 and 1746 for the Teutonic Order, designed by architect Johann Caspar Bagnato.
Can visitors go inside Schloss Mainau?: The ground floor, including the Wappensaal and its café, is open, but the Weißer Saal is only accessible during concerts or events.
Is Schloss Mainau located on an island?: Yes, it stands on Mainau Island in Lake Constance, near the city of Konstanz.
What else can be seen near Schloss Mainau?: A short walk away stands the Schlosskirche St. Marien, a baroque chapel decorated by Feuchtmayer and Spiegler.