"Bursting with juicy pineapple and zesty grapefruit, inspired by a totally tropical refreshment. Bright, tangy and packed with sun-soaked citrus, this one’s light, crushable and full of that holiday-in-a-can energy"

"Combining sweet, fruity flavours with a tangy cola twist. Ruby Kola is a bold, refreshing take on a Scottish classic. Bursting with juicy strawberries, rich blackcurrants, and a zesty citrus kick, this vibrant sour is packed with nostalgic flavour and a fizzy hit of tart sweetness."

"Take a trip down memory lane with our latest series of Sweet Shop Sours. We’ve given this nostalgic treat a Vault City twist. Jammy raspberries bring a vibrant fruitiness, perfectly balanced by creamy white chocolate and a sprinkle of sweetness. This timeless classic will always hit the sour spot."

"Packed with vibrant lime and lemon zest with a splash of fresh lime juice, Zest is crisp, sharp, and refreshingly tart, bringing a nostalgic nod to a classic lemon-lime soda. Light, juicy, and seriously thirst-quenching—because when it comes to citrus sours, Zest is Best!"

"Fizzy Lifting Juice takes sour beer to new heights, packed with enough lifting power to get your work-shy grandpa out their scratcher.

Bursting with ripe raspberries and juicy peaches, this nitro sour delivers fruity intensity, cascading bubbles and a mouthfeel soft as clouds."

"Blackberry, Blackcurrant, Blueberry, Freeze Dried Ice Cream Smoothie Sour.

Introducing a smoothie sour that’s seriously STUFFD. Mountains of jammy blueberries, strawberries, cherries and banana meet the rich, crisp sweetness of freeze-dried ice cream (also known as astronaut ice cream)!
This interstellar ingredient pairs with swirls of smooth vanilla, lactose and white chocolate for a thick smoothie sour that tastes out of this world."

"We’ve taken luxury to the next level with our 24-carat collab alongside our Floridian friends at 3 Sons Brewing Co. Blending their Bling series of fruited goses with our dessert sour style, we’ve created something truly golden.

Sour Scale: 3 "

"Festive Chocolate Box Sour...A rich and decadent festive sour combining bold dark chocolate, tart cherries, and subtle coffee additions for the ultimate winter warmer."

"A fresh tribute to a true cultural icon, Buckie Bomb is our take on the legendary "wreck the hoose juice" cocktail pairing flavours of iron brew and tonic wine. Packed with tangy Buckie vibes, caffeine and juicy blackberries, this Sesh Sour delivers familiar flavours of sweet, dark stewed fruits, citrus & bubble gum.

Sour Scale: 2"

"This smoothie sour is just A Lil’ Stoopid, by our standards at least… Still jam-packed with strawberry, blackberry, creamy coconut, and that signature thicc-ness, but with the Stoopidity dialled down a notch. A more sessionable smoothie sour, still dedicated to anyone who’s ever asked, “Why can’t beer just taste like beer?” BBD is 02/02/2026

"The third instalment of our Overnight Oats series was brewed with our pals at Long Live Beerworks, combining a creamy oat base, jammy fruit character, silky chocolate, maple syrup sweetness and subtle, roasted coffee using House Party blend from Hard Lines. Full-bodied, moreish and layered with juicy raspberry, blueberry and pomegranate, it’s enough to get you excited for an early start!"

"Summer Down Under is a big, bold smoothie sour brewed with our Aussie pals at One Drop in South Sydney. Packed with mountains of rich, unfermented mango, mandarin and peach, it’s ultra thick and juicy from one drop to the very last. This Scottish smoothie sour is fit for Sydney Sunshine.”

"Brewed in collaboration with L'Atalante and inspired by a classic French dessert, Tarte Tatin puts the pastry in pastry sour, with rich flavours of sweet apple and sticky caramel with a crisp, flaky crust. C'est la vie! A recipe born from a happy mishap, created by the Tatin sisters who famously created the upside-down tart by accident from their hotel in France in the late 1800's.

Sour Scale:2"

"Brought to you with our pals at Sudden Death Brewing Co., this smoothie sour is fresh out the oven. Jam packed with unfermented cherries, strawberries plums and apples, then layered with cinnamon warmth and pastry sweetness.

“I genuinely can’t believe it’s not crumble!” – Joe Cruickshank, Sour Beer Enthusiast.

Sour Scale:3”

"Sour - Smoothie / Pastry - Straight out the oven and into the glass. Brewed in collaboration with Babyface Baker, the Edinburgh bakery known for its tasty treats, and crafted using fresh cuts from their bakes. Bright, tart blueberries layered over soft, doughy sweet bun flavours. Rich maple syrup sweetness, finished with a smooth vanilla glaze icing. Jammy, fruity and irresistibly glazed. Some beers bun-long together (see what we did there). Blend Blueberry Maple Glaze Bun with Lemon Meringue Ice Bun to create the ultimate bun duo."

"Sour - Fruited / A tropical taste from the jungle! Our blend of exotic fruit pairs Alphonso mango, guava, kiwi and pineapple for a modern sour beer that’s rich, thick, and juicy."

"Sour - Smoothie / Pastry - Straight out the oven and into the glass. Brewed in collaboration with Babyface Baker, the Edinburgh bakery known for its tasty treats, and crafted using fresh cuts from their bakes. Loaded with layers of sharp, zesty lemon, pillowy doughy sweetness and fluffy meringue, all wrapped up in a silky vanilla icing glaze. Some beers bun-long together (see what we did there). Blend Blueberry Maple Glaze Bun with Lemon Meringue Ice Bun to create the ultimate bun duo."

"Sour - Fruited / Smooth and full-bodied, this modern sour bursts with mouth-watering strawberries and cream notes, layered with delicate hibiscus flower and Madagascan vanilla beans."

"Yuzu Peach & Passionfruit is a bright, tropical session sour brewed for maximum refreshment. Sharp yuzu citrus slices through lush peach and punchy passionfruit, keeping things light and juicy."

"Additions from our favourite sours:
Cherry, Blackberry, Banana, Pear, Cinnamon, Vanilla, White Chocolate, Maple Syrup
Eight years, eight of our favourite adjuncts. Brewed to celebrate Vault City’s 8th birthday (carrying the torch from 2025’s 7 Years Sour), this decadent dessert beer brings together a bold medley of cherry, blackberry, banana and pear, layered with cinnamon, vanilla, vegan white chocolate, and maple syrup."

"Loaded with 999 grams of fruit per litre of beer, this is the legal limit we can add while still calling it beer. The second release in our birthday series sees the return of our iconic 999g/L series, launched in 2019 when we took our first step into seriously heavy fruiting rates. This smoothie sour put Vault City on the map, lacing glasses up and down the UK. It’s packed with fresh apricot, mango, guava and juicy pineapple for a full-on alcoholic fruit smoothie."

"The latest in our series of drizzleberry sours tops layers of freshly baked sponge cake with a juicy blend of sweet cherry, zesty lemon, and a drizzle of sweet vanilla icing."

"This is Vault City’s mixed fermentation base beer, the foundation of every sour we’ve brewed since 2018. Originally brewed for our brewery launch party, it showcasing our unique house mixed culture of lactobacillus and saccharomyces, delivering a refreshing tartness with layers of fruity esters and a zingy sherbet finish. A light dry-hop of Cashmere and Bramling complements the tartness with subtle hop character."

"Back by popular demand, this cult-favourite sour first created in 2022 returns with monstrous levels of indulgence. Loaded with a legendary medley of blackberries, rhubarb, strawberries, apples and raspberries, layered with maple syrup and vanilla over a single stack of breakfast waffles.
Some like it hot: pair with Fruits of the Forest Breakfast Hot Sauce made by our pals at Thiccc."

"Taking inspiration from the iconic Portuguese custard tart, this decadent pastry sour has been dialled up to 8%, combining layers creamy vanilla with caramelised sugar and a delicate touch of cinnamon. A juicy peach & apricot twist adds a fresh fruitiness to round out each sip. Brewed in collaboration with Lisbon legends Dois Corvos."

"Looking for exciting flavour combinations is a priority of ours, and we think we've hit the nail on the head with this one. Alphonso mango takes the lead, with subtle heat from the habanero chilli building throughout, topped off with smoky chipotle peppers. Drink fresh and pretend it's summer."

"The tangiest fluid in the Vault City universe, a 6 on our sour scale which to date has only ever gone to 5… Brainmelting Fluid is a face-scrunching, tongue-twisting sour infused with lemon and lime juice, sherbet and a hit of raspberry that shocks with electric sharpness ‘til your brain short-circuits."

"This evolution of one of our most heavily fruited sours from 2023 pushes even further into a full-on pastry smoothie. Bursting with ripe mango and banana then layered with creamy coconut, it pours thick and juicy with a bold tropical intensity and a velvety mouthfeel."

"The third beer of our birthday celebration rewinds the clock back to 2020, with a tropical sour recipe from the depths of lockdown. This was one of the final beers we made when cuckoo brewing in Dundee, shortly before returning to our Edinburgh roots at our first ever dedicated brewery site. A vibrant blend of mandarin, mango and passionfruit pairs perfectly with our house mixed culture creating something unbelievably juicy and refreshing to the very last sip."

"Whisky BA Raspberry, Honey & Cream Smoothie Sour.
Fresh out the oven, our Bake Off Series celebrates some of the world's most-loved sweet treats, brewed in collaboration with a collection of our favourite breweries from around the world.
Brewed with Azvex and inspired by an iconic Scottish dessert, this whisky BA smoothie sour layers juicy fruit with creamy lactose and heather honey from Scottish Bee Co. blended with beer aged in ex-Speyside whisky barrels, adding layers of oak, vanilla, and rich whisky character.

Sour Scale:3

Allergens: Malted Barley (Gluten),Lactose (Milk), Oats (Gluten)"

"Tropical Fruit & Green Tea Ice Cream Sour.
Fresh out the oven, our Bake Off Series celebrates some of the world's most-loved sweet treats, brewed in collaboration with a collection of our favourite breweries from around the world.
Brewed with Uchu Brewing in Japan, this sour blends delicate matcha with ripe peach, tart passionfruit, and juicy pineapple, rounded out by pillowy rice character and light vanilla ice cream.

Sour Scale:3

Allergens:Malted Barley (Gluten), Oats (Gluten), Flaked Rice (Cereal Containing Gluten)"

"Berry & Rhubarb Cheesecake Smoothie Sour.
Fresh out the oven, our Bake Off Series celebrates some of the world's most-loved sweet treats, brewed in collaboration with a collection of our favourite breweries from around the world.
This collaboration with New York's iconic Evil Twin Brewing is an outrageous smoothie sour blending sweet strawberry, raspberry and rhubarb with creamy cheesecake and biscuit character.

Sour Scale: 3

Allergens: Malted Barley (Gluten),Oats (Gluten), Lactose (Milk)"

"Thai-inspired Mango, Lychee, Coconut & Sago Pearl Smoothie Sour
Fresh out the oven, our Bake Off Series celebrates some of the world's most-loved sweet treats, brewed in collaboration with a collection of our favourite breweries from around the world.
Brewed with Thailand’s Samata Brewing, this smoothie sour takes inspiration from a beloved Thai dessert, blending ripe mango, juicy lychee, creamy coconut, and sago pearls for a rich, tropical treat.

Sour Scale:2

Allergens: Malted Barley (Gluten),Oats (Gluten)"

"There are many things Scotland has given to the world but perhaps the most iconic is Iron Brew.

The bold colour and unique flavour evoke a sense of national pride that’s otherwise only found when talking about our tap water. It’s timeless, like a pint at the airport.

So, here’s our take on the nation’s favourite soft drink, packed with pride and irony goodness in every sip."

"Juicy, refreshing and seriously sessionable.
This table strength sour is bursting with ripe peach and zesty lemon for a crushable, thirst-quenching sour you can sip all night.

Sour Scale: 3

Allergens: Malted Barley & Oats (Gluten)"

"Peach, Mango, Banana, Coconut & Vanilla Ice Cream Smoothie Sour. Our smoothie sour series celebrates the glorious Stoopidity of Vault City beers, and our pals at MakeMake helped (Space)shake things up for this indulgent collaboration.

Inspired by the creamy milkshake character from their iconic Spaceshake series, we’ve packed this sour with mountains of mango, peach, banana and coconut, finished with a generous dollop of silky vanilla soft serve.

Sour Scale: 2

Allergens: Malted Barley (Gluten), Ice Cream (Milk)"