Kastellet (The Citadel), Copenhagen
A beautifully preserved 17th‑century star fortress where red barracks, a windmill and harbour views meet Copenhagen’s green, military‑tinged calm.
Kastellet is Copenhagen’s beautifully preserved 17th‑century star-shaped fortress, set on a grassy peninsula between the harbour and the city. Commissioned in the 1600s to protect the Danish capital, it still functions as an active military site while welcoming visitors to stroll its ramparts, admire red‑painted barracks, a baroque church and a historic windmill, and enjoy one of the city’s most atmospheric green spaces, all free of charge.
A brief summary to Kastellet
- Gl. Hovedvagt, Kastellet 1, Copenhagen, København Ø, 2100, DK
- Visit website
- Duration: 1 to 3 hours
- Free
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Outdoor
- Mobile reception: 5 out of 5
- Monday 6 am-8 pm
- Tuesday 6 am-8 pm
- Wednesday 6 am-8 pm
- Thursday 6 am-8 pm
- Friday 6 am-8 pm
- Saturday 6 am-8 pm
- Sunday 6 am-8 pm
Local tips
- Walk the full loop of the ramparts to appreciate Kastellet’s star shape and enjoy changing views over the harbour and city skyline.
- Plan extra time to explore the Citadel Church, windmill and scattered monuments instead of only passing through the central courtyard.
- Wear comfortable shoes; paths are mostly gravel and grass, and exploring the bastions involves gentle but sustained inclines.
- Remember Kastellet is an active military area: respect restricted zones, follow signage and keep noise low around offices and ceremonies.
- Combine a visit with a relaxed walk along the nearby waterfront to link Kastellet with other royal and harbour landmarks in one outing.
For the on-the-go comforts that matter to you
- Restrooms
- Seating Areas
- Picnic Areas
- Trash Bins
- Information Boards
Getting There
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Metro and short walk from central Copenhagen
From Nørreport or Kongens Nytorv, take the M3 Cityringen metro to Østerport Station; trains run every few minutes and the ride takes about 3–5 minutes. A standard single ticket within the central zones typically costs around 20–30 DKK, depending on your starting point. From Østerport it is an easy, mostly level 10–15 minute walk on pavements to Kastellet, suitable for most visitors and pushchairs, though some paths inside the fortress are gravel.
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City bus to the Kastellet area
Several city bus lines, such as frequent trunk routes running along Østerport and the harbourfront, stop within a 5–10 minute walk of Kastellet. Travel time from the historic centre is usually 10–20 minutes, depending on traffic and starting point. A bus ticket within the central zones generally costs about 20–30 DKK and can be bought via ticket machines or mobile apps. Buses have low-floor access, but expect cobbles and gentle slopes once you reach the fortress.
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Bicycle from inner-city districts
From most central neighbourhoods, Kastellet is an easy 10–20 minute ride along Copenhagen’s dedicated cycle lanes. Expect largely flat terrain and clear signage, but be prepared for busy commuter traffic at peak hours. You can use city bikes or standard rentals; prices for short-term bike hire usually start around 100–150 DKK per day. Inside Kastellet, cycling is generally slow and courteous, and some areas may request that you walk your bike.
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Taxi or rideshare within Copenhagen
Taxis from central locations such as the main station or City Hall Square typically reach Kastellet in 10–20 minutes, depending on traffic. Fares within the inner city often fall in the 120–200 DKK range, with higher costs late at night or on weekends. Drop-off points are outside the fortress entrances; from there, expect a brief walk on level surfaces before you reach the main courtyard and ramparts.
Kastellet location weather suitability
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Mild Temperatures
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Clear Skies
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Any Weather
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Cold Weather
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Hot Weather
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Windy Conditions
Discover more about Kastellet
A star fortress guarding Copenhagen’s harbour
Kastellet, also known as The Citadel, is one of Northern Europe’s best-preserved star fortresses, its five-bastion outline clearly visible from above and easy to trace on foot along the ramparts. Conceived in the 17th century as part of Copenhagen’s defensive ring, the complex occupies a strategic tongue of land overlooking the harbour, with grassy banks and a broad moat forming a protective collar around the inner buildings. The approach across bridges and through heavy gates still feels faintly ceremonial. Earthworks slope sharply down to the water, while views open towards the harbour and nearby churches. Although artillery has long fallen silent, the geometry of bastions, ravelins and ditches gives a vivid sense of early modern military engineering and how seriously the city once took its security.Kings, wars and an evolving stronghold
Kastellet’s story begins under King Christian IV and his successor Frederick III, who developed the fortress in the mid‑1600s as foreign powers jostled for control of Baltic trade routes. Over time, it became a core component in Copenhagen’s defences, housing soldiers, stores and command staff behind its angled walls. Later, it served as a garrison through the 18th and 19th centuries, and during the Second World War it was occupied by German forces, adding another layer of history to its grounds. Today, the fortress remains an active military installation, home to various branches of the Danish defence establishment. Uniformed personnel, service vehicles and flag ceremonies are part of daily life here, yet the site also functions as an open park. This dual role – both working base and public landmark – makes a visit subtly different from a conventional museum and underscores Kastellet’s continuing strategic relevance.Red barracks, a windmill and the Citadel Church
Inside the walls, rows of long, terracotta-red barracks flank cobbled streets, their white-framed windows and neat roofs creating a striking contrast with the surrounding lawns. These buildings once housed troops and supplies; some still serve administrative roles. Interspersed among them are officers’ houses and the former Commander’s House, whose dignified façade recalls the fortress’s importance within Denmark’s military hierarchy. One of Kastellet’s most distinctive sights is its 19th‑century windmill perched on the ramparts. Originally used to grind grain for the garrison, it now stands as a picturesque reminder of self-sufficiency in an era when a besieged fortress needed to provide for itself. Nearby, the Citadel Church, a modest yet elegant baroque sanctuary, anchors the complex spiritually and architecturally. Its pale walls and simple interior reflect Lutheran restraint while marking the heart of the old garrison community.Green lungs, harbour panoramas and quiet corners
Beyond the architecture, Kastellet functions as a tranquil green lung on the edge of central Copenhagen. The embankments are carpeted with grass and criss-crossed by gravel paths popular with joggers, dog walkers and ambling sightseers. From the top of the ramparts you can peer across the moat to the harbour, pick out the dome of nearby churches and watch ships glide along the water. Down at ground level, sheltered lawns and tree-lined avenues invite picnics and unhurried walks. Scattered monuments and memorials commemorate Denmark’s military engagements and international missions, adding reflective pauses to the landscape. The atmosphere is contemplative rather than sombre: the site balances remembrance with everyday leisure, making it easy to slow down while still feeling connected to the city around you.Exploring on foot and connecting the waterfront
Kastellet is best experienced at walking pace, allowing time to circle the star-shaped ramparts, cross its bridges and wander between the barracks and chapel. Because entry to the grounds is free, it naturally slots into a wider exploration of Copenhagen’s waterfront, linking conveniently with nearby sights such as the harbourfront promenades and royal districts. The fortress rewards repeat visits at different times of day and in different seasons: crisp winter air over the moat, fresh spring foliage on the embankments, long summer evenings on the paths and warm autumn light on the red brickwork. Whether you come for photographs, a quiet jog or a deep dive into Danish history, Kastellet offers a distinctive combination of open-air calm and enduring strategic purpose.Iconic landmarks you can’t miss
Our Fallen
0.2 km
A bronze tribute to World War II sacrifice, standing sentinel at Kastellet's gate since 1957.
Iver Huitfeldt Memorial
0.3 km
A towering tribute to Admiral Huitfeldt's heroic last stand at sea, crowned with Victory.
Maritime Monument
0.4 km
Honoring Denmark’s seafaring legacy, the Maritime Monument in Østerbro is a striking, evocative memorial nestled in the heart of Copenhagen’s leafy cityscape.
Horn mine
0.4 km
A disarmed World War II naval mine displayed in Churchill Park, turning a former weapon of the sea into a quiet reminder of conflict amid central Copenhagen’s greenery.
I am Queen Mary
0.6 km
A powerful harborfront monument honoring rebel leader Mary Thomas, confronting Copenhagen’s colonial past beside the historic West Indian Warehouse.
St. Paul's Church
0.6 km
Neo‑Romanesque red brick meets ochre-yellow naval housing at this calm parish church, giving Nyboder a quiet spiritual heart amid central Copenhagen.
Larsens Pl.
0.8 km
Historic waterfront where Scandinavian dreams embarked for America, now a refined promenade of heritage and harbour views.
Nyholm Central Guardhouse
0.8 km
Discover Aarhus’s Latin Quarter, where historic charm meets a lively cultural scene, bustling cafés, artisan shops, and rich Danish heritage in the city’s oldest district.
Langelinie
1.0 km
Discover Copenhagen's iconic waterfront promenade, home to the Little Mermaid, historic landmarks, and stunning harbor views, offering a captivating blend of culture and maritime charm.
Hans Christian Andersen plaque
1.0 km
A modest plaque on elegant Amaliegade quietly marks Hans Christian Andersen’s presence amid the formal mansions and palace axis of Copenhagen’s Frederiksstaden.
Copenhagen Opera House
1.1 km
An architectural landmark on Copenhagen’s harbor, the Opera House blends Scandinavian design with world-class performances and spectacular waterfront views.
Sankt Annæ Pl.
1.1 km
Historic square blending royal heritage, climate innovation, and urban livability in central Copenhagen.
The King's Garden
1.1 km
Experience the tranquil beauty of The King's Garden, a historical park in Copenhagen surrounding the majestic Rosenborg Castle, perfect for relaxation and exploration.
The Kissing Stairs
1.1 km
Copenhagen's beloved waterfront amphitheatre where culture, community, and harbour views converge.
Bredgade 18
1.1 km
Explore the architectural elegance of Bredgade 18 in Copenhagen's historic Frederiksstaden district.
Unmissable attractions to see
Monument to Denmark's international activities after 1948
0.1 km
A quiet, contemporary memorial within Copenhagen’s star-shaped fortress, honoring Denmark’s post‑1948 international missions with flame, stone and thoughtful space.
Langelinie Pavillonen
0.3 km
Experience modernist elegance and panoramic harbor views at Copenhagen's iconic Langelinie Pavillonen.
St Alban's Church
0.3 km
Step into history and legend at Kronborg Castle, a UNESCO World Heritage site famed as Hamlet’s ‘Elsinore,’ overlooking the spectacular Øresund Strait.
Inugsuk
0.3 km
Discover one of Europe's oldest and most innovative zoos, home to over 4,000 animals and award-winning habitats in the leafy heart of Frederiksberg, Copenhagen.
Gefion Fountain
0.3 km
Copenhagen’s creation myth cast in bronze, the Gefion Fountain hurls goddess, oxen and water into a powerful tableau beside the harbour and Churchillparken.
Langelinieparken
0.3 km
Leafy waterfront lawns, sculptures and sea views where cruise ships, mythic fountains and Copenhagen’s Little Mermaid all meet along a single harbourfront walk.
Langelinie Park
0.3 km
Explore Denmark's first public museum, showcasing the neoclassical masterpieces of Bertel Thorvaldsen in the heart of Copenhagen.
The Little Mermaid
0.4 km
Historic harbor district ablaze with color, culture, and canals—Nyhavn is Copenhagen’s most iconic and photogenic waterfront destination.
Museum of Danish Resistance
0.4 km
Go underground beneath Churchill Park to follow five real lives through Denmark’s World War II occupation, in an immersive museum of resistance, choices and courage.
ZinkGlobal by Kim Michael
0.4 km
A contemplative scrap-metal thinker on Copenhagen’s harborfront, ZinkGlobal fuses recycled machinery with big ideas about the future and our industrial past.
Den Frie Udstilling
0.4 km
Independent artist-run exhibition house in a striking wooden building, presenting changing contemporary art shows in the heart of Copenhagen’s Østerbro district.
Bredgade Kunsthandel
0.5 km
Refined contemporary art gallery on Copenhagen’s Bredgade, where Danish and international works unfold in bright, minimalist rooms just steps from royal and design landmarks.
Designmuseum Danmark
0.5 km
Copenhagen’s temple of design, where rococo halls, iconic Danish chairs and a tranquil garden reveal how beautifully made objects shape everyday life.
Kongeskibet Dannebrog
0.6 km
An elegant white royal yacht moored in Copenhagen’s harbour, Kongeskibet Dannebrog is a floating palace, naval vessel and living symbol of modern Danish monarchy.
Nyboder
0.6 km
Historic naval home preserving four centuries of Danish maritime family life in a single yellow row house.
Essential places to dine
Veve
0.6 km
A destination for innovative, plant-based fine dining in Østerbro, where Nordic purity meets global flavors for an unforgettable vegetarian tasting menu experience.
Kokkeriet
0.7 km
Intimate Michelin-starred townhouse in central Copenhagen, reimagining classic Danish cuisine as elegant modern tasting menus with curated wines and juices.
Reffen - Skøjteøen
0.9 km
Copenhagen’s dynamic hub for global street food, creative pop-ups, and urban harbor vibes in a repurposed shipyard setting with a seasonal ice skating rink.
Aoc
1.0 km
Two Michelin stars of bold Nordic flavors in a historic 17th-century cellar.
Restaurant Rebel
1.0 km
Seasonal Danish produce meets French technique at this relaxed, MICHELIN-recommended bistro on Store Kongensgade, where an open kitchen and inventive plates define the mood.
Dag H
1.0 km
Stylish Østerbro brasserie offering classic bistro plates, all-day dining, and a cosmopolitan terrace in Copenhagen’s embassy quarter.
La Banchina
1.1 km
Tiny blue harbour house on Refshaleøen blending seasonal pescatarian cooking, natural wines, sauna culture and swims into one uniquely Copenhagen experience.
Restaurant Koefoed
1.1 km
Fine dining in a historic coal cellar celebrating Bornholm's culinary traditions and Danish gastronomy.
Restaurant Vita
1.1 km
Historic Danish dining in a former royal pharmacy, serving traditional smørrebrød and national classics.
Den Lille Fede
1.2 km
Cosy, candlelit tasting-menu restaurant near Kongens Nytorv, where playful Nordic-inspired courses and thoughtful wine pairings turn dinner into an unhurried evening event.
Alouette
1.2 km
One‑Michelin‑star Green Star dining in a historic Copenhagen townhouse, where hyper‑seasonal Nordic tasting menus meet quietly striking design by the King’s Garden.
Goldfinch
1.2 km
Stylish Cantonese-inspired dining and cocktails on historic Kongens Nytorv, pairing shareable plates with a moody interior in the heart of Copenhagen.
Nyhavns Færgekro
1.2 km
Classic Danish cooking and a famed herring buffet in a cozy canal-side tavern, set within one of Nyhavn’s colorful townhouses overlooking Copenhagen’s historic harbor.
Cap Horn
1.3 km
Candlelit Nordic bistro in a historic Nyhavn townhouse, blending classic Danish seafood, canal views and cosy hygge from late morning to late evening.
Alchemist
1.3 km
A boundary-pushing Copenhagen icon where fine dining, art installation and social commentary fuse into a five-hour, 50-course immersive experience under a vast projected dome.
Markets, malls and hidden boutiques
The Crown souvenir
0.5 km
Compact, colorful souvenir stop on elegant Amaliegade, perfect for picking up Danish flags, Little Mermaid trinkets and royal-themed keepsakes near Amalienborg.
Royal Souvenir Shop
0.8 km
Compact and colourful, Royal Souvenir Shop on Bredgade distils Copenhagen into easy‑to‑pack gifts, from royal guards and Vikings to flags, mugs and playful keepsakes.
The Wilde Shop
1.2 km
A boutique vintage shop in Indre By, Copenhagen bringing together handpicked retro clothing, sustainable fashion, and curated Scandinavian style in a welcoming setting.
Zane
1.2 km
Intimate Copenhagen florist and design boutique on stylish Bredgade, blending seasonal blooms, Nordic homeware and thoughtful gifts in a cosy, lived-in space.
Maritime Antiques &
1.2 km
Atmospheric basement shop near Nyhavn where genuine maritime antiques share space with heritage-inspired clothing and rugged knitwear in a cosy, ship-like setting.
Copenhagenglass
1.3 km
Intimate glassblowing studio and shop near Nyhavn, where Danish maritime-inspired designs and hands-on sessions turn molten glass into memorable Copenhagen souvenirs.
Copenhagen Souvenir & Design World of Memories
1.3 km
Denmark's largest souvenir chain with 14 locations offering over 2,000 authentic Danish keepsakes and contemporary design pieces.
Storm - design art fashion
1.4 km
A pioneering Copenhagen concept store where avant-garde fashion, art, design objects and niche fragrances meet in a minimalist, gallery-like space on Store Regnegade.
Henrik Vibskov Boutique
1.4 km
Step off the cobblestones of Gammel Mønt into Henrik Vibskov’s offbeat fashion laboratory, where avant‑garde silhouettes, artful interiors and curated design collide.
Viking Souvenirs
1.4 km
Authentic Danish and Viking-themed souvenirs in Copenhagen's historic city center.
Danish Souvenirs & luggages
1.4 km
Central Strøget souvenir and luggage shop combining classic Danish mementos with practical travel gear, open long hours for convenient, last‑minute Copenhagen gifts.
Welcome Giftshop & Souvenirs
1.4 km
Central Copenhagen’s cosy hygge boutique for Danish design, classic souvenirs, and easy last-minute gifts just off bustling Kongens Nytorv square.
Red Cross Op Shop
1.4 km
A vibrant Østerbro thrift store where sustainable shopping, Danish design, and community spirit support Red Cross humanitarian work.
Copenhagen Souvenir & Design
1.4 km
Denmark's premier souvenir destination offering authentic Danish heritage, contemporary design, and quality gifts across seven city-center locations.
Magasin du Nord
1.5 km
Copenhagen’s classic department store: historic architecture, Nordic style, gourmet treats and relaxed cafés gathered under one elegant roof on Kongens Nytorv.
Essential bars & hidden hideouts
Black Swan
0.7 km
Cosy Indre By craft beer bar with rotating taps, quality ciders and spirits, and a relaxed neighbourhood vibe under the banner of “no crap on tap.”
ROOTS Vin Bar & Butik - Østerbro
1.2 km
Explore the finest wines at ROOTS Vin Bar & Butik in Østerbro, Copenhagen – where every sip tells a story.
Aloha Beach Bar
1.3 km
Island-inspired cocktails, neon glow and late-night party vibes packed into a compact tropical bar just off Gothersgade in central Copenhagen.
Bar Deco
1.3 km
Intimate Art Deco–inspired cocktail bar near Kongens Nytorv, serving imaginative signature drinks in a low-lit, refined yet relaxed Copenhagen setting.
Søernes Ølbar
1.3 km
Discover Søernes Ølbar, a cozy craft beer haven by Copenhagen's lakes, offering an extensive selection of brews and breathtaking views.
Trykbar
1.3 km
Cosy, central Copenhagen bar with a strong beer list, warm lighting and a laid-back, inclusive atmosphere that blends hygge with lively late-night energy.
ØB
1.4 km
Experience the best of Copenhagen's nightlife at ØB, where great beer, tasty burgers, and a lively atmosphere come together.
Trianglen 7
1.4 km
Experience the best of Copenhagen wine culture at Trianglen 7, a charming wine bar offering a curated selection and an inviting atmosphere.
Østerbros Perle Pub
1.4 km
Experience the vibrant atmosphere of Østerbros Perle Pub in København Ø, where locals and tourists unite over drinks and laughter.
Brønnum
1.4 km
An opulent, multi‑room cocktail bar steps from Kongens Nytorv, where historic townhouse elegance meets contemporary mixology and candlelit late‑night conversation.
Balthazar
1.4 km
A luxurious Champagne bar at Hotel d’Angleterre, pairing an extensive bubbles list and crafted cocktails with velvet-luxe interiors and a lively DJ-backed ambience.
Chevy's
1.4 km
Discover the vibrant atmosphere of Chevy's in Østerbro, Copenhagen—where delicious drinks and good company create unforgettable nights.
1105
1.4 km
Intimate, low-lit cocktail hideaway in central Copenhagen, where Nordic-inspired creations and a sleek black bar set the stage for sophisticated evening drinks.
The Moose
1.4 km
Graffiti-plastered walls, infamous moose murals and cheap late-night beers make this smoky Indre By dive bar a gritty, unpolished slice of Copenhagen nightlife.
Charlie's Bar
1.5 km
Discover the enchanting atmosphere of Charlie's Bar, a cozy haven in Copenhagen offering a diverse drink selection and a vibrant local vibe.
Nightclubs & after hour spots
Culture Box
0.9 km
Discover the heartbeat of Copenhagen's nightlife at Culture Box, where music, art, and dance create an unforgettable experience.
Mini Bar
1.3 km
Discover the vibrant nightlife of Copenhagen at Mini Bar, a premier night club offering eclectic tunes and a lively atmosphere for unforgettable nights.
Lusso
1.4 km
A compact, high-end Copenhagen nightclub with champagne-forward table service, dim lighting and a stylish late-night crowd just steps from Kongens Nytorv.
The Zoo
1.4 km
Intimate late-night nightclub on Sværtegade in Copenhagen’s historic center, blending a compact dance floor, DJ-driven beats and a casual, social bar atmosphere.
Mirage
1.8 km
Dive into the electrifying nightlife at Mirage, Copenhagen's premier night club for an unforgettable evening of music, dancing, and entertainment.
Arch
1.8 km
Discover the vibrant nightlife of Copenhagen at Arch, a premier night club offering electrifying music and an unforgettable atmosphere.
Chateau Motel
1.9 km
Discover the lively nightlife of Copenhagen at Chateau Motel, a top destination for cocktails and dancing in a vibrant atmosphere.
Hive
1.9 km
Copenhagen's premier high-end nightclub with cutting-edge design, VIP service, and immersive themed experiences.
Operaen
2.0 km
Compact harbourfront nightclub near Copenhagen’s modern opera house, mixing DJ-driven beats, local crowds and late-night energy by the inner-city waterfront.
Rumors
2.0 km
Discover the heart of Copenhagen's nightlife at Rumors, where energetic vibes and unforgettable nights await you.
Mirror
2.0 km
Dive into the heart of Copenhagen's nightlife at Mirror, where the rhythm never stops and unforgettable memories are made.
La Terraza
2.0 km
Compact nightclub on Studiestræde in Copenhagen’s old town, offering loud beats, straightforward drinks and an unpretentious late-night dance floor.
Miami Bar
2.0 km
Discover Copenhagen's nightlife at Miami Bar, where cocktails and dancing create unforgettable nights in a vibrant atmosphere.
Zefside
2.1 km
Intimate cocktail den turned late-night dance spot, Zefside blends crafted drinks, DJ beats and canal-side charm in the heart of central Copenhagen.
Dorsia
2.1 km
Central Copenhagen nightclub with late‑night DJs, cocktails and an image‑conscious crowd packed into a dark, modern interior off busy Kattesundet.
For the vibe & atmosphere seeker
- Tranquil
- Scenic
- Relaxing
- Unique
- Casual
For the design and aesthetic lover
- Modern
- Rustic Designs
- Vintage Styles
For the architecture buff
- Historic
- Landmarks
- Parks & Gardens
- Viewpoints
- Heritage Neighborhoods
For the view chaser and sunset hunter
- Iconic Views
- Panoramas
- Sunset Spots
- Waterfront
For the social media creator & influencer
- Instagrammable
- Photo Spots
- Architectural Shots
- Reel-Friendly
For the eco-conscious traveler
- Low Impact
- Public-Transport Accessible
- Leave-No-Trace Critical
- Locally Managed
For the kind of experience you’re after
- Cultural Heritage
- Photowalk
- Mindfulness
- Day Trip
- Roadtrip Stop
For how adventurous you want the journey to be
- Easy Access
Location Audience
- Family Friendly
- Senior Friendly
- Child Friendly
- Teen Friendly
- Solo Friendly
- Couple Friendly
- Solo Female Friendly
- Vegetarian Friendly
- Vegan Friendly
- Business Friendly