Have you been on the hunt for beautiful adults-only resorts in California that will help you relax?
Join us as we run through the best options that you simply can’t miss!
We get that not everyone wants to spend their vacations surrounded by excitable kiddos.
So, we thought we’d put together the ultimate list of adults-only resorts in California that will help you enjoy your trip!
Whether you’re looking for vineyard views or a slightly naughty nudist spot, we’ve got you covered.
Regardless of your budget or taste, there’s bound to be somewhere on this list of adults-only resorts in California you love.
Now let’s dive in.
18 Best Adults-Only Resorts in California…
Auberge du Soleil
If you’re hanging around Napa Valley, then you’ll adore the next spot on our list of adults-only resorts in California.
The Auberge du Soleil is a 5-star hotel that’s luxury incarnate and boasts breathtaking views of the Californian countryside.
While you’re here, you can enjoy the beautiful pool or dine in the acclaimed restaurant that serves Cali-themed dishes with Mediterranean influences. Oh, and did we mention that it currently holds a Michelin star?
The setting is luscious thanks to the olive and oak trees, but you can also head to the onsite sculpture garden.
It’s packed with around 100 sculptures from Californian artists, making it a great way to get in a hit of culture.
And that’s while staying put at one of the best adults-only resorts in California!
If you throw in the spa, fitness center, onsite parking, room service, and steam room? Well, it’s easy to see why this is an adults-only resort in California for the books.
Post Ranch Inn
Next up on our list of the best adults-only resorts in California, we have the wonderful Post Ranch Inn!
This charming 5-star hotel is the ultimate spot for a honeymoon in Big Sur as it’s just so romantic.
From the rugged Californian cliffside views to the beautiful basking pools, this is one of the most stunning adults-only resorts in California.
Cliff House and the Pacific Suite are the options if you’re splurging as the views are unbelievable. But any of the resort’s rooms and suites are unlikely to disappoint.
When it comes to facilities, you can expect in-room dining, a wine cellar, and an exclusive Californian breakfast.
But that’s not all that you’ll get (after all, it’s one of the best adults-only resorts in California!).
You’ll also have access to the infinity and lap pools, daily activities, a minibar, valet parking, and a fitness center! Total bliss.
Read more about adults-only vacations: 14 amazing adults-only resorts in the USA
Alila Napa Valley
Our next suggestion for adults-only resorts in California you need to check out is Alila Napa Valley.
This is another luxury 5-star resort that’s tucked away in Napa Valley, and it’s simply gorgeous.
It boasts an impressive 68 guest rooms and suites with outdoor terraces and floor-to-ceiling windows.
You’ll get incredible views of the vineyards from almost every angle, and the Victorian-style décor and building work is divine.
You can spend your vacation enjoying the outdoor pool, trying yoga, or chilling out by the fire pits!
When you’re feeling hungry, head to the farm-to-table restaurant before relaxing at the signature spa for a revitalizing treatment.
And if you’re traveling to adults-only resorts in California in a Tesla, you’ll be met with tons of charging stations! Phew.
Read more adults-only inspiration: 7 beautiful adults-only resorts in Aruba
Kenwood Inn and Spa
Our next pick for must-visit adults-only resorts in California is Kenwood Inn and Spa.
This place feels just like you’ve hopped over to the Italian Riviera with its exterior, fountains, and greenery.
And who doesn’t want adults-only resorts in California that feel like that?!
This place is classed as a luxury B&B, which means you’ll be treated to breakfast every morning amongst the acres of orchards and vineyards.
Oh, and don’t forget the hot tub, sparkling pool, warming pool, and courtyards they have onsite!
If you want to hang out by the pools at any point, this is one of the adults-only resorts in California with private pool cabanas.
So, you can enjoy a snuggle or two without any prying eyes looking on!
Plus, you’re just minutes away from the Sonoma Valley’s 75+ wineries (and a handful of amazing restaurants and hikes!).
Our next pick for the best adults-only resorts in California is Sparrows Lodge and it’s a doozy.
This spot is tucked away in Palm Springs and offers incredible value for a 3-star hotel.
Not only is it home to The Barn Kitchen (which is an amazing restaurant!) but there’s an intimate pool area that’s perfect for sunbathing.
We love the repurposed barn décor which gives the whole place an old-world and rustic vibe.
But we’d say that it’s the wood-clad rooms and convenient proximity to downtown that makes it one of the best adults-only resorts in California.
Azure Sky Hotel
Next up on our list of the best adults-only hotels in California, it’s the stunning Azure Sky Hotel.
This place is so stylish and the decor is so perfectly themed, we know anyone who appreciates beautiful interior design will adore it here.
This beautiful hotel is a 4-star boutique hotel, located in the glorious Palm Springs. So you know you’ll be in for a treat, with plenty of things to do nearby.
One of those things, is the famous O’Donald Golf Course – so if you’re into gold, this is a great choice for you.
Overall, it’s a wonderful choice for the best adults-only resorts in California.
Read more about adults-only vacations: Top 10 adults-only resorts in Florida
Del Marcos Hotel
Next on our list of adults-only resorts in California that are worth checking out – it’s Del Marcos Hotel!
This 3-star hotel is another excellent pick for budget travelers, as the modernist rooms and spacious layout is wonderful.
The building feels intimate and the pools are always well-kept.
Plus, it’s just a mile from downtown Palm Springs if you wanted to head out on the town for the evening!
Although it’s a mid-level boutique hotel, the retro and hip vibes here make it a perfect choice for young couples.
And we always think you can have a wonderful vacation without paying a fortune for your accommodation.
Sands Hotel & Spa
If you’re on the hunt for the best adults-only resorts in California, look no further than Sands Hotel and Spa.
Not only has it been mentioned on Conde Nast Traveler’s The Hot List, but it’s got a gorgeous swimming pool!
Oh, and don’t even get us started on the 46 unique guest rooms with bespoke furniture and custom textiles.
Although all the facilities here are excellent, it’s the Pink Cabana restaurant that takes the cake.
It’s run by Chef Jason Niderkorn and features an ingredient-driven menu with tons of Mediterranean and Moroccan flavors.
Honestly, the restaurant alone makes this one of the best adults-only resorts in California!
Read more adults-only inspiration: Top 15 adults-only resorts in Jamaica!
The Paramour Estate
Our next suggestion for adults-only resorts in California you should try is The Paramour Estate as it never disappoints.
The suites here are incredibly vibrant and welcoming as they’re filled with plush velvet furnishings and huge rugs.
And you don’t want to miss the hanging chandeliers either!
We’d say that this was one of the best adults-only resorts in California if you want to check out LA as it’s super close to Sunset Boulevard.
So, you can easily explore the bright lights of the city before retreating to your room on the hills.
Along with the 65-foot pool, you’ll also find fridges, coffee machines, air-con, and Byredo bath products in every room.
The Aster Hotel
The Aster Hotel belongs on any list of the best adults-only resorts in California.
It’s technically listed as a private member’s club, but it’s actually a boutique adults-only hideaway that’s close to Hollywood and Vine.
Not only will you adore the sophisticated modern décor, but you’ll appreciate the heated pool and bougie bars too!
The rooms are flanked with incredible patterned rugs and mid-century sofas.
Plus, you’ll want to snap so many photos of the bold green, pink, and blue décor that makes up each exotic room.
And if you want to relax? Well, you’ll find a beautiful spa and fitness center at your fingertips!
Talk about adults-only resorts in California that do it all!
La Serena Villas
La Serena Villas is next on our list of the best adults-only hotels in California!
La Serena Villas is super cute, and it’s a great choice for people who want a really laid-back vibe and chilled out atmosphere.
With Luxurious Frette linens and towels in the rooms, and beautiful L’Occitane skin and bath products to indulge in too – you’re going to love it here!
It’s such a great choice for adults-only resorts in California!
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Mi Kasa Hot Springs
If you’ve been on the hunt for the best adults-only resorts in California, consider the search over with Mi Kasa Hot Springs.
This is another clothing-optional resort that is known for its liberal approach to virtually everything.
So, it’s probably not one of the adults-only resorts in California if you’re on the conservative side.
But if you appreciate healing springs and an LGBTQ+-friendly vibe, then this is a resort that’ll welcome you with open arms.
You can hang out by the fire pit, take a dip in the pool and hot tub, or take part in one of the resort’s healing workshops.
Eden Vale Inn
Eden Vale Inn is one of the lesser-known adults-only resorts in Northern California, but it’sworth a look.
It’s a luxurious and contemporary B&B that has just seven guest rooms, making it perfect for a quiet and romantic getaway.
This spot is undeniably bougie, and you can even get spa services in your room as you sip a glass of bubbly.
But honestly, what makes this one of the most impressive adults-only resorts in California is the breakfast.
It’s packed with local produce including meat and eggs from El Dorado County Farms and fruit from Apple Hill.
So, expect to be FED if you pop this place on your shortlist of adults-only resorts in California to try!
Read more about adults-only travel: 40 fun things to do in Orlando for adults!
Next on our list of the best adults-only resorts in California, it’s Holiday House.
Kids might not be welcome here, but dogs are! Which we kind of love about this property! Because sometimes you still want your pooch to join you.
The Holiday House hotel, which is located in the heart of the desert, is a stunning oasis of bohemian chic. This place was revamped (it was originally an old 1950s hotel) and it oozes so much style.
This hotel sets the bar high for a stylish and unforgettable holiday experience, and it’s absolutely one of the best adults-only resorts in California.
Sea Mountain Nude Resort
First on our list of the best adults-only resorts in California – we have Sea Mountain Nude Resort!
The vibe here won’t be for everyone, so let us just put that out there first and foremost.
But if you’re looking for an affordable 3-star option that’s fun and a touch naughty, then this is one of the best adults-only resorts in California.
The hot mineral water pools are open 24 hours a day, and you can grab tons of delicious cocktails and eats during your visit.
And hey, you certainly won’t walk away from your vacation with any tan lines!
Dive Palm Springs
Our next pick for amazing adults-only resorts in California? It’s Dive Palm Springs!
This is another boutique resort and it’s inspired by the French Riviera vibes from the 1960s.
Oh, and did we mention that it’s exclusively for guests 21 and older? Yep, we’ve got you.
The furnishings here are simply beautiful and they give the entire place an almost beachy and contemporary feel.
And the pool is lined with kitsch stripey lounge chairs that’ll throw you right back to the easy and breezy days of yesteryear.
But the crowning glory here? It’s a wonderful onsite restaurant and the incredible cocktails from Bar Lulu!
Seriously, these spots make it easy to see why this is one of the adults-only resorts in California we LOVE.
Read more adults-only inspiration: 15 beautiful adults-only resorts in St Lucia
Tuscan Springs Hotel
Next up on our list of the best adults-only resorts in California, we have Tuscan Springs Hotel!
This is another adults-only spot that lets you soak in mineral pools, and it’s an Italian-inspired spot with 16 boutique rooms.
We love the 117-degree heated volcanic hot pool, but any of the spa pools are worth trying out!
Oh, and you can easily start your day with a snack at the Tuscan Lounge before throwing on a robe and enjoying the spa.
Colony Palms Hotel
To complete our list of adults-only resorts in California, we have Colony Palms Hotel!
This spot is strictly for guests 18 and over and it offers a full-service spa, stunning mountain views, and an onsite restaurant!
It’s on the pricey side, but it’s a solid 4-star hotel with truly excellent amenities. So, you won’t feel short-changed.
Although you’ll probably spend most of your time by the large pool, you’re bound to appreciate chilling out on your Italian Frette sheets.
Ah, it’s the little things in life.