Gold-Medal Water, Straight from the Source.

Discover the premium quality and pristine taste of Mar Á Rio's spring, purified, and alkaline water.

Sourced from the Pristine Sierra Mountains

The Difference Is Clear.

At Mar Á Rio, we believe exceptional water starts at the source. Our gold medal-winning water is naturally sourced from the pristine Sierra Mountains, ensuring a pure, refreshing taste in every bottle. We don’t just deliver water; we deliver quality you can trust.

Explore our three premium options

Find Your Perfect Water.

We offer three distinct water types to meet your hydration needs. Each is carefully processed and bottled to our rigorous standards.

Our purified water undergoes a multi-stage filtration process, including reverse osmosis, to remove impurities and ensure a consistently clean and pure taste. This is hydration in its simplest, most refreshing form.

With a pH level of 9.5+, our alkaline water is enhanced with minerals and electrolytes for a smooth taste and optimal hydration. It’s the perfect choice for those looking to balance and restore their bodies.

Our natural spring water is bottled directly at the source, preserving its natural mineral composition and crisp taste. It’s pure, refreshing, and exactly as nature intended.

Why Choose Us

Experience the Best in Premium Water Delivery

Gold Medal-Winning Taste

Recognized for superior purity and crisp taste, setting our water quality above the rest.

Sierra Mountain Water from Ramona, CA

Naturally collected from the Sierra Mountains, ensuring a refreshing taste and optimal mineral profile.

Three Premium Types

Choose from Natural Spring, Ultra Purified, or Alkaline (pH 9.5+) to perfectly match your hydration goals.

Rigorous Purity Standards

Our multi-stage filtration, including Reverse Osmosis (RO) for purified options, guarantees clean, consistent quality you can trust.

Mar A Rio: The Smarter Water Solution for Your Business

Switching to Mar A Rio means choosing a reliable, high-quality water supplier designed for the modern San Diego business owner. We’ve eliminated the typical industry headaches so you can focus on running your business.

Why Mar A Rio is the Best Partner for Local Businesses

Transparent & Low Pricing

We offer a competitive price guarantee that is simple and easy to budget. Stop paying hidden fees and unexpected surcharges from competitors. You get premium Sierra Mountain water at an outstanding value.

Flexible Delivery on Your Schedule

We work around your operation. Our localized logistics team optimizes routing within the San Diego market to ensure fast, reliable delivery exactly when you need it, not when it's convenient for us.

No Contracts. Zero Risk.

We earn your business every day. There are no long-term contracts, cancellation fees, or minimum order requirements. This means you can order one case or one hundred, all with zero commitment.

Simple Payments

Our policy is "Payment Upon Delivery" (cash, card, or tap-to-pay). No prepayment hassles or complex credit applications. This keeps your cash flow clean and transactions easy and trustworthy.

Discounted cases available now below!

Find Mar A Rio Water Locally in San Diego

Looking for Mar A Rio’s premium bottled water right now? Find our products at local retailers across the San Diego region. For great deals and discounted cases, visit our profile on OfferUp. You can also find sustainable savings and exclusive “surprise bags” through the Too Good To Go app.