About us

I'm Pumped You're Here!

I’m Kali Sudbrook. After more than a decade as a Fitness Director at UC Irvine and a Kinesiology professor at Cal State Fullerton, I built Beachside to solve a problem I kept seeing after COVID: performance and wellness spaces treated like an afterthought in otherwise beautiful homes and buildings. I design these spaces with the same intention as a kitchen or a primary bath, because the room only works if you actually want to be in it.

My triple threat is this:

  • Having worked through three large scale campus recreation and athletic new builds at the university level, I know how a space for movement and recovery should feel and flow.
  • As a licensed contractor, I understand how it gets built. Clearances that work in real framing, electrical plans that match equipment loads, ventilation that holds up under heat and humidity, and materials that perform under daily use.
  • As an NSCA certified personal trainer, strength and conditioning coach, and tactical operator, I understand movement, fitness goals, and fitness equipment intimately.

Designers who understand construction are rare. Contractors who understand movement are even more rare. I am all three. I was made for this.

We offer design services nationwide (Minnesota, Arizona, and Montana, just to name a few of our favorites) and design-build execution across coastal Southern California, from Santa Monica to San Marcos and everywhere in between.

Whether you need a build-ready plan set for your own team or a full turnkey scope, the standard stays the same: a disciplined process, exceptional execution, and no guesswork.

Kali Sudbrook

Founder, Beachside Custom Gyms

Recognition & Expertise

Performance & Wellness Spaces Shaped by Experience

20+ Years
Fitness & Performance Design Experience
FOrmer
UC Irvine Fitness Director 12+ Years
& CSU Fullerton Professor 4+ Years
Academia
Master's in Kinesiology
Licensing
Licensed Remodeling Contractor - CA State License #1096021
Certifications
NSCA - Certified Strength & Conditioning Specialist
NSCA - Certified Personal Trainer
NSCA - Certified Tactical Strength & Conditioning Facilitator
Chad
Carpenter & Installer
Austin
Project Manager
Alana
Operations Manager
The Visionaries

It's all About Teamwork

Behind every project is a team committed to precision and the power of thoughtful design. With a focus on sleek aesthetics and high-end finishes, our experts bridge the gap between imagination and reality. We believe that a space should feel as intentional as it looks—refined, balanced, and uniquely yours.

our values

Driven by purpose, designed with passion. Integrity in every detail.

Design Authority

Every fitness space is carefully planned with attention to movement, flow, clearances, acoustics, ventilation, and material quality — ensuring it integrates seamlessly into the home.

Construction Understanding

Unlike equipment-focused providers, we understand how these spaces are actually built, ensuring designs translate correctly from concept to construction.

Equipment Intelligence

With long-standing relationships in the fitness industry, we source and specify equipment that aligns precisely with performance goals and space requirements.

Turnkey Execution

From concept to installation, we manage the process with precision so the final space performs exactly as intended — with no gaps between design and delivery.

Our Approach. From Vision to Execution.

We manage every stage of your fitness and wellness space from initial concept through to final installation, developing tailored design solutions, guiding each decision with clarity, and overseeing equipment specification, sourcing, procurement, and installation. Working closely with trusted builders, electricians, millwork specialists, flooring experts, and equipment vendors, we ensure every detail is executed with precision so the final space feels intentional, performs seamlessly, and is built to last.