Best indoor activities in Cornwall for families

Cornwall’s beaches are legendary. Golden sands, surf-worthy waves, ice creams that mysteriously disappear before you get a bite… dreamy stuff.

But let’s be honest – the weather doesn’t always play nice. Even in peak summer, Atlantic showers can roll in, winds can whip up, and suddenly your beach day turns into a board game marathon inside the caravan.

The local and well known Eden Project in Cornwall, a perfect place to visit on your Cornwall trip.

Luckily, Cornwall is packed with brilliant indoor activities for families that aren’t just rainy day backups – they’re proper, memory-making days out.

This guide rounds up Cornwall’s best family-friendly indoor attractions, whether you’re travelling with toddlers, tweens, or teens who are absolutely too cool for soft play (until they secretly love it).

We’ve also included our pick of the best Cornwall holiday parks with indoor pools – because swimming plans should never depend on British weather.

Top family-friendly indoor activities in Cornwall

These big-name attractions work brilliantly for mixed-age families and can easily fill half a day (or more). Perfect when the forecast looks… questionable.

Eden Project

The Eden Project is Cornwall’s ultimate all-weather adventure. Inside two enormous climate-controlled biomes, you’ll wander through steamy rainforest jungles and Mediterranean gardens – all while staying completely dry.

Expect waterfalls, towering plants, treetop walkways, and interactive exhibits that sneak education in without kids noticing.

Why families love it

Buggy-friendly paths and baby-changing facilities
Seasonal kids’ trails, workshop, and hands-on exhibits
Plenty of cafes and picnic spots when energy dips
Easy half-day or full-day attraction (depending on snack stops and plant enthusiasm)

National Maritime Museum Cornwall

Falmouth’s National Maritime Museum Cornwall blends real boats, maritime history, and interactive exhibits under one roof. Kids can steer vessels, explore tidal displays, and climb the lookout tower for harbour views (weather cooperating optional).

It’s one of those rare museums where touching things is actively encouraged – parents everywhere rejoice.

Why families love it

Educational but genuinely fun
Interactive exhibits suitable from toddlers to teens
Compact enough to hold attention but packed with variety
Central Falmouth Location – ideal for pairing with lunch or harbour wandering

Blue Reef Aquarium, Newquay

Underwater tunnels, colourful marine habitats, and mesmerising feeding sessions make Blue Reef Aquarium a reliable crowd-pleaser. It’s immersive without being overwhelming – perfect if your crew includes younger kids or attention spans measured in fish-watching minutes.

A close up of a brightly coloured fish at Newquay Aquarium.

Why families love it

Fully indoors and buggy-friendly
Manageable 2-3 hour visit (just right for most families)
Regular feeding talks add extra excitement
Easy central Newquay location near shops and cafes

Bodmin Jail

If your family enjoys something a little different, Bodmin Jail delivers drama, history, and immersive storytelling inside one of Cornwall’s most atmospheric buildings.

Expect cinematic exhibits, prison tales, and just enough spookiness to keep older kids hooked – without tipping into nightmare territory.

Why families love it

Interactive history that feels more like an experience than a museum
Unique alternative to typical family attractions
Especially popular with tweens and teens
Great half-day attraction with plenty to explore

Cornwall indoor holiday activities for kids and little ones

Breaks with toddlers and younger children mean finding a safe place to burn off energy when rain drums on the roof and puddles outnumber dry socks. These spots deliver climbing, sliding, bouncing, and blissful tired-kid energy afterwards.

Raze the Roof, Penryn

One of Cornwall’s largest indoor soft play centres, Raze the Roof packs in multi-level climbing frames, slides, ball pits, and dedicated toddler zones. There’s also the bonus of on-site VR experiences for older siblings (and secretly competitive parents).

Why families love it

Separate toddler zones for safer play
Comfortable seating areas and genuinely decent coffee
Clean, well-maintained facilities
Easy 2-3 hour energy-burning session

Kidzworld, St Austell

Kidzworld mixes soft play, small rides, and interactive play areas into one colourful, energetic space aimed at toddlers through early primary school age.

Why families love it

Good value for longer visits
Enough variety to keep little explorers engaged
Less overwhelming than huge play centres
Works well as a half-day outing

JungleBarn at Paradise Park

While Paradise Park itself is largely outdoors, JungleBarn is a brilliant, fully covered soft play complex that stands strong as a wet-weather option. Big slides, climbing equipment, and under-5s zones mean siblings of different ages can all join the fun.

Why families love it

Large indoor play space suitable for multiple age groups
Option to explore the wider park if the weather improves
Great flexible day-out option
Excellent rainy-day backup plan

Trethorne Leisure Park, near Launceston

Trethorne combines indoor play areas with animals and outdoor attractions, but its covered zones – including soft play, ball pools, and sheltered animal experiences – make it surprisingly weather-proof.

Why families love it

Strong variety for younger children
Indoor and outdoor options allow flexible visits
Great for siblings with different interests
Easy few-hour visit or longer if weather improves

Cornwall indoor holiday activities for older kids and teens

Teenagers can smell forced fun from a mile away. Keeping them happy usually means competition, independence, or activities they’d actually choose themselves.

Cornwall Laser Tag

Fast-paced, tactical, and slightly chaotic in the best way, indoor laser tag at Cornwall Laser Tag ticks every teen entertainment box. Expect dark arenas, team battles, and plenty of competitive bragging rights.

Why teens love it

Proper adrenaline-fuelled gameplay
Social activity that works brilliantly for siblings or groups
Fully indoor and weather-proof
Short, high-energy sessions that avoid boredom

Indoor climbing and bouldering centres

Cornwall has several indoor climbing venues, including Tide Climbing Centre (Newquay) and The Barn Climbing Centre (near Penzance). These centres offer beginner sessions through to advanced bouldering walls.

Why teens love it

Feels independent and skill-based
Physical challenge without feeling ‘touristy’
Great confidence-builder
Excellent wet-weather activity with repeat appeal

Super Tramp Trampoline Park, Bodmin

Super Tramp combines trampolines, soft play pits, dodgeball, and freestyle zones into one high-energy playground. Expect big jumps, bigger laughs, and very tired teenagers afterwards.

Why teens love it

High-energy fun that feels tiring (in a good way)
Social and slightly competitive
Great boredom-buster on rainy afternoons
Sessions often tailored for different age groups

Bowling alleys across Cornwall

Bowling remains a classic for a reason. Centres like Ozzell Bowl, Country Skittles, and The Venue provide easy entertainment that works brilliantly for mixed ages.

Why teens love it

Doesn’t feel babyish
Combines easily with arcades, food, or evening plans
Relaxed, sociable activity
Great low-effort wet-weather option

Cornwall indoor holiday parks: Our top picks for families

Choosing the right holiday park base can transform rainy days from holiday spoilers into bonus relaxation time. Pools, arcades, entertainment, and on-site food mean you don’t even need to leave the park to keep everyone smiling.

Here’s our pick of the best indoor holiday parks in Cornwall.

St Ives Bay

Perched above three miles of golden sand, St Ives Bay delivers spectacular coastal views alongside genuinely family-friendly facilities. Translation: stunning when sunny, brilliant when not.

Why families love it

Indoor pool for all-weather splashing
Arcades, play areas, and family entertainment
Restaurant and bar (so no soggy car journeys required)
Direct beach access with sunshine returns
Accommodation options from comfy caravans to luxury lodges
Close to St Ives, Hayle, and some of Cornwall’s best beaches

Retallack Resort

Retallack blends Cornwall adventure with lodge-style luxury. It’s the kind of place where staying in the park can feel just as exciting as heading out exploring.

Why families love it

Indoor pool plus relaxing spa facilities
Indoor FlowRider surf simulator for wave-riding fun (without Atlantic winds)
On-site restaurant for easy family dining
Spacious accommodation, including lodges perfect for larger families or multi-gen stays
Activity programme covering kids, teens, and grown-ups
Comfort, style, and plenty of rain-day entertainment built in

Best Cornwall holiday parks with indoor pools

Indoor pools are the ultimate holiday lifesaver. They turn grey mornings into fun starts, provide easy afternoon entertainment, and guarantee swimming plans stay firmly weather-proof.

Away Resorts has several Cornwall holiday parks with indoor pools:

Retallack Resort: Indoor heated pool with splash areas for younger swimmers and adjoining spa facilities for relaxation seekers.
St Ives Bay: Family-friendly indoor pool ideal for morning swims, post-beach warm-ups, or evening family splash sessions.
Newquay Bay: Indoor heated pool, perfect when Cornwall’s famous surf beaches are looking slightly too dramatic.
Newperran Holiday Resort: Indoor heated pool with shallow zones, family sessions, and relaxed swim times ideal for younger children.

Plan your Cornwall family holiday with Away Resorts

Cornwall delivers brilliant family holidays, whatever the forecast decides to do. From world-class indoor attractions to holiday parks packed with pools, entertainment, and all-weather fun, rainy days simply become part of the adventure.

Away Resorts parks across Cornwall combine comfortable accommodation, fantastic facilities, and plenty of personality – because holidays should be fun, flexible, and occasionally powered by arcade tokens and magical milkshakes.

Book your Cornwall family break with Away Resorts and discover why a little rain never ruins a great holiday. It just changes the plan.