- G2 Adventure Hub
- Gairloch Beach
- Galleon Centre
- Gallery of Modern Art
- Galloway Activity Centre
- Galloway Canyoning
- Galloway Forest Park
- Galway Atlantaquaria
- Galway City Karting
- Galway City Museum
- Gambado Chelsea
- Gamebase
- Gameface
- GameKeller
- Game of Thrones Studio Tour
- Game Over London Escape Rooms
- GameX Chorley
- Gaming Bus - Next Generation Gaming
- Gaming Bus StreetSide Gaming Essex and Suffolk
- Gaming party van
- Ganavan Beach
- Gandeys Circus
- Gandeys Circus - Carnival
- Gandeys Circus Hollywood
- Gandeys Circus Hollywood
- Gandeys Circus Hollywood Aintree
- Gandeys Circus Trentham
- Gandeys Halloween Spooktacular Merry Hill
- Gandeys Halloween Spooktacular Trafford
- Gandeys Halloween Spooktacular Trentham
- Gangsta Granny
- Garden Museum
- Garden of Cosmic Speculation
- Garlieston Beach and Wigtown Bay
- Garon Castle Adventures
- Garrison Funfair Millport
- Garstang Mystery Treasure Trail
- Garwick Beach
- Garwnant Visitor Centre
- Gauntlet Birds of Prey, Eagle & Vulture Park
- Geevor Tin Mine
- Gelblaster Glow-in-the-dark Battlezone
- Gemmells Soft Play
- Gem Rock Museum
- Gentleshaw Wildlife Centre
- George Marshall Medical Museum
- George Waterston Memorial Museum
- German Military Underground Hospital
- German Occupation Museum
- Get Crafty with Mismatch
- Get Fired
- Get to know animals CIC
- Get Wild at the Galleria
- Gheluvelt Park
- Ghost Hunter Trail
- Giants Causeway and Visitors Centre
- Giant Slip & Slide Cornwall
- Gibside
- Giddy Kippers Indoor Soft Play
- Giddy Studios
- Giggles Play and Adventure
- Giggles Play Mill
- Gigrin Farm
- Gilfach Nature Discovery Centre
- Ginger and Spice Festival 2023
- Girvan Beach
- Gisburn Forest and Stocks
- GL1
- Glamis Castle
- Glamorgan Canal Nature Reserve
- Glan Y Gors Park Karting
- Glasfryn Parc
- Glasgow Botanic Gardens
- Glasgow Club Bellahouston
- Glasgow Club Easterhouse Pool
- Glasgow Club Pollok Pool
- Glasgow Riverside Museum
- Glasgow Science Centre
- Glasgow Ski and Snowboard Centre
- Glasgow Spy Mission Treasure Trail
- Glass and Craft
- Glastonbury Abbey
- Glastonbury Treasure Hunt Trail
- Glazed Creations
- Glazey Days
- Glazydayz Pottery
- Glenariff Forest Park
- Glenarm Beach
- Glenarm Castle
- Glencoe Mountain Resort
- Glendeer Pet Farm
- Glendurgan Garden - National Trust
- Gleneagle Equestrian Centre
- Glenesk Folk Museum
- Glengormley Sports Bowl
- Glengowla Mines
- Gleniffer Braes Country Park
- Glen Jakes Riding School
- Glen Maye
- Glenroe Farm
- Glenshee Ski Centre
- GLOBALLS Brighton
- GLOBALLS Weymouth
- Globe Trotters Adventure Golf
- Globetrotters Crazy Golf at Tilgate Park
- Gloucester Apollo
- Gloucester Ski & Snowboard Centre
- Gloucester Waterways Museum
- Gloworm Festival
- Glyndwrs Way National Trail
- Gnoll Estate Country Park
- Goals Bradford
- Goals Eltham
- Goals Newcastle
- Goals Teesside
- Go Ape Aberfoyle
- Go Ape Alexandra Palace
- Go Ape Alice Holt
- Go Ape Battersea Park
- Go Ape Bedgebury
- Go Ape Blackburn
- Go Ape Black Park
- Go Ape Bracknell
- Go Ape Buxton
- Go Ape Cannock
- Go Ape Chelmsford
- Go Ape Chessington
- Go Ape Cockfosters
- Go Ape Coventry
- Go Ape Crawley
- Go Ape Dalby
- Go Ape Dalkeith
- Go Ape Delamere
- Go Ape Forest of Dean
- Go Ape Glentress Forest, Peebles
- Go Ape Grizedale
- Go Ape Haldon
- Go Ape Leeds Castle
- Go Ape Margam
- Go Ape Matfen
- Go Ape Moors Valley
- Go Ape Normanby Hall
- Go Ape Rivington
- Go Ape Salcey Forest
- Go Ape Sherwood Pines
- Go Ape Southampton
- Go Ape Temple Newsam
- Go Ape Thetford
- Go Ape Wendover
- Go Ape Whinlatter
- Go Ape Woburn
- Go Ape Wyre
- Go Bananas Indoor Soft Play Centre
- Go Bananas Indoor Softplay Centre
- GoBananas Soft Play
- Go Below
- GoBoat London
- Go Bounce Extreme Trampoline Park
- GO Bowling Dunstable
- GO Bowling Shipley
- GoClimb Billingham Forum
- Go Create
- Godalming Spy Mission Treasure Trail
- Godiva Festival
- Godrevy Head
- Godshill Model Village
- God's Own Junkyard
- Godstone Farm
- Go Kids Go
- GO Laser Tag London - Forest Laser Tag
- Golden Acre Park
- Golden Gate Boat Trips
- Golden Gecko Climbing
- Golders Hill Park
- Goldhill Adventure Playground
- Gold Hill Museum and Garden
- Golfplex Entertainment Centre
- Goltho Gardens
- Goodall's Strawberries
- Gooderstone Water Gardens & Nature Trail
- Goodleaf Tree Climbing
- Good Life Skates Manchester
- Goodrich Castle
- Good Shepherd Fairytale Studio
- Good Time Charlies
- Good Trails
- Goodwood Racecourse
- GO Paintball London
- Go Play Cwmbran
- Gorbals Swimming Pool
- Gorleston Beach
- Gorran Haven Beach
- Gorse Hill City Farm
- Go Segway
- Gosfield Lake Resort
- Gosford Forest Park Armagh
- Gosford Sands
- Go slime
- Gosling Sport Park
- Gosling Sports, Ski and Board Park
- Gougane Barra Forest Park
- Gourock Outdoor Pool
- Gourock Park
- GOVR Brighton - VR Cafe
- Gower Coast Adventures
- Gower Heritage Centre
- Go Wild Bury Play Centre
- Go With The Flow River Adventures
- Goytre Wharf
- GO Zorbing
- Gr8escape York
- Grace Darling Museum
- Grafton Farm Riding Centre
- Grampian Transport Museum
- Granary Square Water Feature
- Grand Pier
- Grand Prix Karting
- Grangemouth Sports Complex
- Grangewater Outdoor Education Centre
- Grantchester Spy Mission Treasure Trail
- Grant Museum of Zoology
- Grassholme Observatory
- Grass Hoppers at Tingley Garden Centre
- Grass Hoppers at Tong Garden Centre
- Graune Pet Farm and Play Centre
- Graveley Fruit Farm
- Graves Gallery
- Graves Park
- Gravitee Golf
- Gravity Active Bluewater
- Gravity Active Castleford
- Gravity Active Corby
- Gravity Active Edinburgh
- Gravity Active Glasgow
- Gravity Active Hull
- Gravity Active Leeds
- Gravity Active Maidstone
- Gravity Active Milton Keynes
- Gravity Active Northampton
- Gravity Active Norwich
- Gravity MAX Liverpool
- Gravity MAX Wandsworth
- Gravity Stevenage
- Grays Beach Riverside Park
- Grease
- Great Central Railway
- Great Central Railway Nottingham
- Great Cockcrow Railway
- Greater Manchester Police Museum
- Great Notley Discovery Centre and Park
- Great Orme Aerial Cable Cars
- Great Orme Golf Course
- Great Orme Mines
- Greatstone Beach
- Great Wedlock Farm and Deer Park
- Great Witcombe Roman Villa
- Great Wood
- Great Yarmouth North Beach
- Great Yarmouth Pier Beach
- Great Yarmouth South Beach
- Great Yarmouth Treasure Hunt Trail
- Greenacres Animal Park
- Greenbank Heated Outdoor Pool
- Greenfield Valley Heritage Park
- Green Frog Pottery
- Greenhead Park
- Greenlands Farm Village
- Green Lane Maize Maze
- Greenmeadow Community Farm
- Green Park
- Green's Mill and Science Centre
- Green Spider Climbing
- Greenwich Cable Car Treasure Trail
- Greenwich Leisure Centre
- Greenwich Park
- Greenwich Royal Observatory
- GreenWood Family Park
- Grenaby Estates Equestrian Centre
- Gressenhall Farm and Workhouse
- Gretna Greens Famous Blacksmiths Shop
- Grey Mares Tail Nature Reserve
- Greystoke and District Outdoor Pool
- Grimes Graves
- Grimm & Co
- Grimsby Ice Rink and Leisure Centre
- Grimsthorpe Castle Park and Gardens
- Grip & Go
- Gripped London
- Grizedale Forest
- Groombridge Enchanted Forest
- Grosvenor Museum
- Grosvenor Park
- Grosvenor Park Miniature Railway
- Groudle Glen Railway
- Groundlings Theatre
- Grove Golf and Bowl
- Grove Wellbeing Centre
- Guided Great Yarmouth Historical Walks
- Guide Dogs National Breeding Centre
- Guildford Lido
- Guildford Museum
- Guildford Spectrum
- Guildford Treasure Trail
- Guildhall
- Guinness Storehouse
- Guisborough Forest and Walkways
- Gullane Beach
- Gulliver's Dinosaur & Farm Park
- Gulliver's Kingdom
- Gulliver's Land
- Gullivers Soft Play
- Gulliver's Splash Zone Milton Keynes
- Gulliver's Splash Zone Warrington
- Gulliver's Valley Theme Park Resort
- Gulliver's World
- Gunnersbury Park Sports Hub
- Gunpowder Mills
- Gunpowder Plot Immersive Experience
- Gunsgreen House
- Gwithian Towans Beach
- Gymboree Play & Music Sevenoaks
- Gym Jams Soft Play
- Gym Juniors
- Gypsy Wood