Sundbyholm Castle

A lakeside castle escape on Lake Mälaren

Eskilstuna

Sundbyholm Castle

Welcome to Sundbyholm Castle, our lakeside escape set within a nature reserve on the shores of Lake Mälaren. With a long stretch of sandy beach, a peaceful harbour, and seasonal menus served in storied surroundings, it’s a place to gather, celebrate or simply unwind. We’re easy to reach, yet feel a world away—close to Stockholm, but comfortably out of step.
Eric Johansson
ERIC JOHANSSON - MANAGING DIRECTOR
Aerial view of a marina with many docked sailboats near Sundbyholm Castle, adjacent to a tree-lined park, buildings, and a beach beside a blue body of water.

Building: 1648

At Sundbyholm Castle, you can shape your stay to suit your pace. Choose from modern suites with extra space, or opt for one of our more classic hotel buildings, where rooms are styled with rich fabrics, comfortable beds and views of Lake Mälaren just beyond the window. All accommodation is dotted around the castle grounds, with rooms thoughtfully renovated and bathrooms fully tiled.

While the castle itself holds no guest rooms, it is the heart of the experience—home to our restaurant, where breakfast, lunch, afternoon tea and dinner are served in beautifully historic spaces. It’s also where we host weddings, celebrations and evenings that stretch on in good company.

Weekdays are often filled with focused meetings and conferences, while weekends slow into something more relaxed—with romantic packages, tastings and space to unwind. We’re dog-friendly too, with a few designated rooms for guests travelling with pets (just let us know in advance). The castle, meanwhile, remains a space for dining, celebration, and quiet grandeur.

Open: All year, except Christmas

Rooms: 115

From: €

135

Occasions to Remember

Some of the highlights of staying at our historic house

RESTAURANT

Dining at Sundbyholm Castle is a quietly elegant experience, with seasonal menus served in flower-filled halls lit by candlelight. Our kitchen prepares almost everything from scratch, with influences from both Sörmland and further afield. In warmer months, the castle terrace opens for lakeside meals. Guests with dinner packages will have a table reserved, while others are welcome to book in advance. Thoughtful food, seasonal flavours, and a setting designed for lingering a little longer.

SPA & WELLNESS

Our four outdoor hot spa baths offer a peaceful way to unwind, tucked between our chalets and junior suites. Heated to 39–40°C and open most of the year, they’re designed for quiet relaxation—not play—so we keep them adults-only (ages 8+). Bathrobes and slippers are provided, just bring your swimsuit. For extra privacy, some suites feature their own jacuzzi and sauna. We recommend booking your spa time in advance to ensure availability during your stay.

SPECIAL OCCASIONS

From elegant weddings to company kick-offs, Sundbyholm Castle is made for celebration. With centuries-old banquet halls, lakeside views, and tailored service, we host everything from intimate dinners to grand themed parties—including masquerade balls and Viking feasts. Our experienced team is here to help plan every detail. For conferences, we offer flexible spaces for 8 to 250 guests, six suites for private meetings, and 115 rooms across the estate—making us one of Sörmland’s largest castle venues.

SIGHTS AND ACTIVITIES

Experiences to add to your itinerary
  • Beach along Lake Mälaren
  • Marina
  • Beech Forest
  • Sundbyholm’s travbana (horse racetrack)
  • Eskilstuna’s Old Town
  • Torshälla Golfklubb
  • Sundbyholm Castle Park
  • Parken Zoo
  • Munktell Museum
  • Eskilstuna City Museum
  • Wine Tasting
  • Golf
  • Horse Riding
  • Fishing
  • Sailing
  • Hiking
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Sundbyholm Castle, Eskilstuna

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