19 Unforgettable Fun Activities in Seattle for Adults

If you’re ready for an adults-only day of fun, Seattle has plenty to offer. From rooftop lounges with sweeping views to waterfalls and winery tours, this city knows how to have a good time!

Escape the typical pace of your daily routine, and check out these thrilling activities that are certain to make any visit to Seattle one that you won’t soon forget.

No matter where your curiosity takes you, there’s certainly no shortage of exciting ways to make memories in the Emerald City.

1. Haunted Seattle Ghost Tour

Walk on the wild side and explore Seattle’s spookiest sites with a Haunted Ghost Tour.

Listen to true stories of murder and mayhem, but don’t worry – there might even be some laughs to lighten the mood! Can you handle it?

Brave-heart adventurers can also sign up for the 21+ Haunted Ghost and Pub Walking Tour – where you mix some liquid courage in with those creepy vibes.

Either way, strap on your walking shoes, it’s going to be a hauntingly good time.

Seattle Walking Ghost Tour
Seattle Walking Ghost Tour Photo by Viator

2. Smith Tower Observatory Bar

Looking for something thrilling to do in Seattle? Make those butterflies flutter in your stomach and check out the legendary Smith Tower Observatory Bar!

Glide in an elevator up to the 35th floor and become transfixed by this vintage speakeasy.

Craft cocktails, small plates, and stunning views of Seattle’s oldest landmarks await – so make sure you grab some tickets before making your way up.

3. Day Trip to Bainbridge Island

Seattle is a thriving city offering a range of exciting activities to keep you entertained, like a day outing to the beautiful Bainbridge Island.

This gorgeous jewel of an island has plenty of attractions, such as numerous galleries, wineries, and eateries for foodies.

Nature lovers can get in touch with the great outdoors by exploring its hiking trails, as well as its picturesque beaches.

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4. Pacific Science Center

Seattle is a perfect spot to enjoy the great outdoors, but even city dwellers can find plenty of indoor activities.

At the Pacific Science Center, adults can channel their inner scientist and explore different exhibitions that will challenge your beliefs and expand your world view.

From interactive exhibits to laser dome shows, expanding your knowledge has never been easier – or more fun!

5. Check Out the Nightlife

Seattle will keep you up all night long with its vast selection of bars and nightclubs!

For a night you won’t forget, check out Mint Lounge or break out your dancing shoes for Q Nightclub.

If something a bit more low-key is in order, cozy pubs like Flatstick Pub or Owl N’ Thistle Irish Pub are great spots to grab a pint and watch the game with friends.

There’s no shortage of fun things to do in Seattle at night – the only question is which one to do first!

6. Snoqualmie Falls & Winery Tour

Nature lovers, oenophiles, and everyone in between should check out the Snoqualmie Falls and Seattle Winery Tour for an unforgettable experience.

Not only do you get to snap some Instagram pics by Washington’s famed falls, but you also get to partake in a luxurious tasting with Washington’s top wineries afterward.

There’s something to please every palate – even if you’re pining after full-bodied cabernets or ultra-citrusy chardonnays!

7. Scope Out the Best Views

From popular, touristy spots like the top of the Space Needle or Kerry Park to lesser-known local secret spots, you’ll find something in this ultimate guide to the best viewpoints.

Even if you think you know every nook and cranny, visiting each spot might be a worthy challenge — after all, you never know what amazing sights are waiting behind the next hill!

Space Needle Seattle WA USA
Space Needle Seattle WA USA

8. Visit a Brewery

Seattle is an adult playground and there’s no shortage of awesome activities to explore. Check out the award-winning ales at Fremont Brewing, Pike Brewing Company, or any of the other delicious microbreweries in the area.

Sip exclusives from their rotating IPAs menu; get a tour with your pint and learn the secrets of their craft; enjoy some great food and engage in friendly banter with your yummy brew in hand.

Now that’s what we call an adult night out in Seattle!

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9. Chase Waterfalls

What could be better than wandering around gorgeous waterfalls while soaking up some Vitamin D? Or TLC if it’s a rainy day.

Wander among nature’s wonders and revel in their might, including Snoqualmie Falls, Twin Falls, and Christine Falls.

And don’t forget the snaps – your pictures will make all your friends jealous!

10. Go on a Harbor Cruise

Enjoy Seattle’s finest attractions while sailing on a Harbor Cruise – who said adults can’t be big kids!

Have the best seat in the house, right on deck, and listen to your knowledgeable narrator as they take you back in time and teach you about Seattle’s waterfront gems.

Get an awe-inspiring view of Cascade and Olympic Mountains, while Mt. Rainier shows off in the background.

Don’t worry about packing snacks; even picky eaters will find something to munch on with food and beverages for purchase onboard.

Seattle Harbour Cruise
Seattle Harbour Cruise Photo by Viator

11. Seattle Underground Tour

If you’ve been looking to give your history lessons a good ol’ dose of Seattle charm, join the Beneath the Streets Tour – an underground walk that takes you all the way back to 1890s Seattle!

Travel through centuries-old passageways and get a taste for what life was like during Seattle’s early days.

Rumors have it that if you listen closely, you’ll hear tales about Skid Row, the Klondike Gold Rush, and more.

12. Go For Happy Hour

Happy hour in Seattle is the gift that keeps on giving! The city is never short of unique happy hour spots for adults to enjoy.

Kick back and relax at a waterfront bar, try something new in an international atmosphere, or find a cozy spot with great food and drinks.

Whether you are looking to indulge in the craft cocktail scene or just order some beers while people watching, Seattle has a plethora of options and specials that will appeal to any crowd.

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13. Go on a Coffee Tour

Immerse yourself in Seattle’s unique and evolving coffee culture with a tour beyond your regular Starbucks.

Take a stroll of Capitol Hill and let your knowledgeable guide tell you the stories behind iconic shops, from the roasting processes to specialty drinks.

Make sure to take breaks to properly appreciate each and every sip! It may not be climbing Mount Rainier or kayaking on Lake Washington, but it’s definitely a fun way for adults to experience Seattle’s sights – with an extra caffeine boost of course!

Seattle Coffee Culture Tour
Seattle Coffee Culture Tour Photo by Viator

14. Satisfy Your Sweet Tooth

Have a hankering for something sweet? Seattle is no stranger to donuts; with more donut shops than you can shake a stick at, you’re sure to find one that suits your tastebuds.

Whether you’re craving homemade glazed, something topped with a variety of inventive creations or classic cream filled, the only challenge is deciding which shop to try first!

15. Go Indoor Skydiving

If you’re looking for an out-of-this-world experience in Seattle, we’ve got the perfect thing: indoor skydiving!

iFLY Seattle offers the only opportunity to freefall at speeds of up to 175 mph, no plane required.

That’s right – you can experience all the thrills of jumping out of a plane without actually having to do so. Even better: no skills whatsoever are needed for enjoyment.

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16. Olympic National Park

Seattle offers plenty of fun things to do, such as exploring the breathtaking beauty of Olympic National Park with a naturalist guide.

Get ready for an all-day tour, letting you explore the country’s oldest forests or meander along its beaches with a spectacular view of Olympic Mountains in the backdrop – talk about insta-worthy!

17. Watch a Show

Looking for something to do? Seattle’s Paramount Theater has got your back!

With its old-world charm and an impressive lineup of entertainment ranging from Broadway shows to silent movies and even comedy, you can bet that you’ll be in for a treat.

Traditionalists will appreciate this classic venue, as it played host to the likes of David Bowie and Madonna back in the day when they were still rocking out on stage.

So if you’re looking for something fun to do in Seattle, a show at Paramount is sure to have something that’ll tickle your fancy!

18. Seafood Feast with a View

Seattle is home to some of the most incredible seafood restaurants, with amazing views of this jewel of a city.

From Pike Place Market’s infamous eateries, to iconic waterfront dining with house-smoked salmon and Dungeness crab, your tastebuds will be sure to thank you!

19. Take a Trip to Leavenworth

Taking a trip to Leavenworth will be the highlight of any Seattle-bound adult’s getaway.

Leave your worries behind as you enjoy this dreamy Bavarian-themed village, complete with winding streets and cozy wine-tasting rooms.

You’ll almost forget that you’re still in Washington State, unless you happen to spot some of the classic Northwestern landmarks like Deception Pass en route.

Enjoy an eclectic mix of shops, galleries, and restaurants – all in one terrific location!

Say farewell to traditional Seattle fun for the day and get a taste of Europe on your next trip out of town.