Atly Logo
New Yorkers 1st Choice
Best of California

HIIT gyms

A tough HIIT session is hard enough without the added frustration of a difficult bathroom search.

Based on 493 Opinions
+490
User
User
User
Updated May 2026
01
Revel Fit Club @ Del Mar Highlands Town Center image 1
Revel Fit Club @ Del Mar Highlands Town Center image 2
Revel Fit Club @ Del Mar Highlands Town Center image 3
View all

Gym combines nightclub atmosphere with high-end equipment and synchronized music and lighting. Energy stays electric and motivating throughout workouts. Amenities include smoothie bar and clean, sleek studios with showers and lockers.

Bathrooms and showers stay clean and high-end with plenty of space to avoid crowding. Lockers and a skin cleansing station add convenience right after workouts.

Classes combine cardio and HIIT for a balanced workout. Coaches adjust treadmill intensity to push limits without overwhelming.

People are saying

"I always got a great workout here."

"The weight lifting classes here are high energy and fun."

"The HIIT workouts here are intense and leave you feeling strong."

Good to know

1

The gym offers a variety of classes throughout the day for flexible scheduling.

2

Expect a clean facility with well-maintained equipment during your visit.

3

Membership prices are on the higher side compared to other local gyms.

02
F45 Training Costa Mesa Square image 1

Gym offers high-energy workouts with a strong community vibe where everyone supports each other. Spacious, clean environment fosters a welcoming, judgment-free zone focused on both physical and mental well-being. Classes combine strength and cardio exercises that challenge and motivate consistently.

Bathrooms stay pristine and clean with towels provided. Showers are available in a well-maintained environment.

Sessions mix 45-minute HIIT and resistance workouts with a personalized nutrition plan. The program suits those not usually into HIIT or CrossFit style classes.

People are saying

"The owner's involvement makes this weight lifting gym feel so welcoming."

"The staff here are friendly and helpful."

"The 45-minute HIIT program had fun challenges and a supportive community."

Good to know

1

Weekly team challenges and game nights offer fun with prizes and incentives.

2

A 45-day challenge is periodically available for participants.

3

Daily classes are available for all fitness levels.

03
HIIT School image 1
Physical fitness program

Facility combines modern boutique vibe with state-of-the-art equipment and luxurious recovery amenities like sauna and cold plunge. Atmosphere feels welcoming and supportive, fostering a strong sense of community and motivation. Environment suits all fitness levels and emphasizes encouragement over sales or pressure.

Spacious and modern bathrooms feature heated toilet seats and a variety of plants, creating an inviting atmosphere. Ample showers support those heading straight to work after exercising.

Workouts focus on effective HIIT training with coaches who push for real progress. Classes offer a motivating atmosphere and a strong sense of community support.

People are saying

"The HIIT coaches here are knowledgeable and motivating."

"The community at this gym is so welcoming and vibrant."

"The heated toilet seats in the bathroom are a nice touch."

Good to know

1

The gym hosts community events like BBQs and Happy Hours to foster camaraderie.

2

Stretch sessions and yoga classes are offered, including Sunday morning yoga.

3

Trainers provide personalized attention and tailored workout plans.

04
MOXI3 image 1

Modern gym space offers clean, sleek design with thoughtful layout including a spacious spin studio. Atmosphere feels supportive and welcoming, fostering a kind, ego-free community. Amenities include recovery options like cold plunge, sauna, and Normatec boots, enhancing the workout experience.

Bathrooms stay incredibly clean at all times. Showers include towels provided, and restrooms have all the amenities gym goers need.

Shred classes deliver intense HIIT workouts combining strength and cardio. Options include indoor cycling and varied fitness styles like meditation and breath work.

People are saying

"I loved the spin classes here; they were super fun and challenging."

"The spa's cold plunge and sauna are amazing recovery options."

"You can choose between spin, HIIT, or strength classes."

Good to know

1

The parking lot is small, so arriving early is recommended due to class popularity.

2

The gym and facilities are always very clean.

3

They offer a variety of classes, including recovery options like Yoga.

05
FITNESS SF - Mid Market image 1

Space combines natural sunlight, high ceilings, and state-of-the-art equipment for a bright, open feel. Atmosphere stays friendly and motivating, with a crowd focused on workouts and exchanging encouragement. Group classes bring high energy, while amenities like a fire pit and secure bike parking add comfort.

Bathrooms stay clean and modern with well-maintained locker rooms. They match the quality of the equipment and machines available.

Classes led by Faycal El aryf bring high energy and varied exercises that keep workouts interesting. Sessions on Mondays and Fridays maintain intensity from start to finish.

People are saying

"The instructors at this gym are so knowledgeable and caring."

"Faycal's HIIT classes are high energy and super motivating."

"The bathrooms here are really nice and modern."

Good to know

1

The gym offers a free day pass for first-time visitors.

2

Expect high crowd levels from 5 PM until closing time.

3

The gym is well-maintained and always clean.

06
REVEL FIT CLUB @ MARA image 1

Spacious gym with modern equipment and a clean, upscale design creates an inviting workout environment. Energetic classes combine cardio and strength training with motivating music and a supportive vibe. Unique features like sled mode on treadmills add variety to workouts.

Bathrooms and showers stay very clean and spacious. High-end personal care products like lotions, soaps, and feminine care items are available, plus free towels during workouts.

High-energy sessions combine cardio and strength with motivating music and skilled instructors. Spacious rooms support dynamic movements in these HIIT classes.

People are saying

"This weight lifting gym offers a great full body workout."

"The HIIT instructors bring such motivating energy and encouragement."

"The bathrooms here are super clean and spacious."

Good to know

1

The gym offers a free week for new members to try classes.

2

Classes are available for all skill levels, allowing for personalized workouts.

3

Parking is easy to access, making visits convenient.

07
F45 Training Transbay image 1

Large gym with natural light and transparent glass walls creates an open, bright space. High-energy group workouts foster a supportive community vibe that encourages improvement without judgment. Facilities include well-maintained showers and restrooms, enhancing convenience and comfort.

Showers and restrooms stay immaculate with two all-gender, individual restrooms available. Towels are provided for convenience.

Workouts focus on high-intensity intervals that push limits and build endurance. Classes deliver efficient, fast-paced training suited for serious HIIT enthusiasts.

People are saying

"The coaches at this weight lifting gym are so motivating and attentive."

"The workouts are intense and so much fun."

"I saw the best results from this HIIT workout."

Good to know

1

F45 Training Transbay offers classes seven days a week, with five classes from Monday to Friday and two on weekends.

2

Booking in advance for peak hours is recommended to secure a spot.

3

F45 offers memberships, class packs, and drop-in rates for newcomers.

08
Crunch Fitness - Garden Grove image 1

Spacious gym with wide variety of equipment including multiple squat racks and deadlift platforms. Atmosphere is supportive and motivating, fostering a no-judgment, encouraging community. Clean and well-maintained facility offers group classes like HIIT and Bootcamp that add to the energetic vibe.

Locker rooms and restrooms stay super clean and well maintained. Bathrooms feature newer, updated equipment and overall cleanliness is a strong point.

Group sessions focus on HIIT and Bootcamp, led by instructors like Vivian, Francis, and Adrian. These classes are intense, enjoyable, and get you sweating with positive energy throughout.

People are saying

"The staff at this weight lifting gym made me feel like I mattered."

"Mario the trainer gave me solid, practical tips."

"The staff here are always friendly and genuinely helpful."

Good to know

1

The gym closes at 10 pm on weekdays, except Fridays.

2

Expect safety concerns in the parking lot; be cautious.

3

The gym offers personal training sessions for $47 for 25 minutes or $94 for 1 hour.

09
UFC GYM Corona image 1

Gym combines octagon, two turf areas, and supplements bar in a large, recently remodeled space. Atmosphere feels like a tight-knit community with loud music and energetic vibe. Amenities include recovery room with massage chairs and an outstanding kids club.

Men's restrooms show a clear improvement in cleanliness since Franklin started working there. Both male and female bathrooms include saunas, and music plays throughout the gym and bathrooms.

Classes include kids and adult HIIT sessions led by skilled instructors. The gym offers a mix of weightlifting, martial arts, and HIIT activities for varied workouts.

People are saying

"This gym feels like home and brings out the best in you."

"The HIIT classes here are awesome and high energy."

"The bathroom's cleanliness has noticeably improved."

Good to know

1

UFC GYM Corona requires all members to bring their own towels for entry.

2

Expect to pay a monthly membership fee, which may include additional charges.

3

The gym maintains a clean environment with modern equipment available.

Discover more

California

Area guide
Loading Map...