Welcome to SONIC® and Olympic Cascade Drive-Ins

Welcome to Olympic Cascade Drive-Ins, LLC. OCDI owns and operates Sonic Drive-In Restaurants in Washington and Oregon including Poulsbo, Ferndale, Renton, Wenatchee, Ellensburg, Yakima, and Kennewick and Pasco stores in the Tri-Cites and in Oregon our Keizer or Salem Sonic drive-in stores.

Our Committment to Excellence

We are committed to the positive experience for our loyal customers who love and enjoy the Sonic Drive-In experience in the Northwest.  Our commitment to you is to provide fast, friendly, professional service and an outstanding experience for the entire family. Please Contact Us if there is anything we can do to improve your Sonic Drive-In dining experience at any of our stores in Washington and Oregon. 

Let Us know what you think of the Latest SONIC® Commercial

The New SONIC® Crave Cheeseburger

A 100% pure beef patty layered with melty cheese, SONIC Crave Sauce, ripe tomatoes, fresh pickles, diced onions and chopped lettuce served on a toasted bakery bun.

NEW Sonic Bursting Bubbles - Drink or Slush!

The Sonic Burting Bubbles –  Available For a Limited Time at our Washington and Oregon Sonic Drive-In Locations:  

Sonic Drive-Ins Giving Back - Limeades for Learning

Limeades For Learning Sonic Drive ins fast food restaurant

SONIC’s Limeades for Learning is making a difference for public school teachers, students and classrooms across the country and we need YOUR help. Learn More    about Sonic Drive-Ins Limeades for Learning program.

Since 2009 Sonics Limeade for Learning program has raised $14,538,410 (As of 8/29/20)  with 3,745,464 students impacted and 17,570 teachers supported. At Sonic Donors Choose where their donation goes. 

SONIC Celebrates Teacher Appreciation Month

SONIC® Wacky Pack® Exclusive tokidoki

Sonic Drive in drive through fast food restaurant Tri-Cities WA Pasco Washington Kids Wacky Pack tokidoki
Get special exclusive tokidoki toys in the Wacky Pack® now!

There are 11 limited-edition tokidoki toys inspired by SONIC® favorites, including Golden Tot, Spicy and Red Button Kaijus, Corn Dog, Blue Coconut and Cherry Limeade Cactus Friends, and Crushed Ice, Lemon Berry and Limeade “Slushicorno” Unicornos.

Don’t forget to keep an eye out for special, rare color-changing toys!

Only at participating locations for a limited time and while supplies last! Valid for one toy per Wacky Pack® Kids Meal.
© TOKIDOKI, LLC. Designed by Simone Legno

ALL-AGE TOY AVAILABLE! SONIC® toys are for children ages 3 and up. Only at participating locations for a limited time and while supplies last! Valid for one toy per Wacky Pack® Kids Meal .

TM & © 2020 America’s Drive-In Brand Properties LLC

Sonic Chicken Slinger & Spicy Chicken Slingers

Our Mission

Olympic Cascade Drive-Ins, LLC has a mission to create rapid, sustainable growth, driven by an empowered and effective team of associates with a vision towards being recognized as the highest quality, low-cost provider of traditional fast food products.  In Partnership with Sonic’s proven success formula in marketing, growth and direction, our key success factors will include:

  • Consistency throughout all stores.
  • Clean, fast, efficient service.
  • Customer-driven standards and processes.

Olympic Cascade Drive Ins represents a disciplined administrative team committed to maintaining a physical presence for the sake of both personnel and operational successes at all levels.

Our Flagship Sonic Restaurant in Poulsbo, Washington

Sonic Drive In Store Restaurant Poulsbo Washington Bainbridge Island Bremerton Silverdale Keyport Kingston Kitsap County Washington

This is How We Sonic!

Breakfast, Lunch, Dinner and especially Dessert – Sonic is the ultimate dining experience for the whole family. We’ve got it all from breakfast favorites, delicious burgers, snacks and sides. Then there’s the ice cream, frozen treats and mor ethan 1.3 million drink combinations. Our Sonic Carhops are ready to take and deliver your Sonic order with fast and friendly service in the comfort of your car.

Sonic Drive Ins Safety Policy for Coronavirus Covid-19

Learn about Olympic Cascade Drive-Ins, LLC, Sonic Drive-In Restaurants and Inspire Brands Health and Safety Policy regarding Coronavirus and Covid-19.     >>>>>> Click Here <<<<<<<

Sonic Cheesecake Blasts

Sonic Cheesecake Blasts available for a limited time at our OCDI Sonic Locations in Poulsbo, Ferndale, Renton, Wenatchee, Ellensburg, Yakima, Kennewick, and Pasco Washington as well as our Oregon stores in Keiser and Salem, OR.

Get your DELICIOUS Espresso Shakes at our Sonic Drive-In locations in Poulsbo, Ferndale, Renton, Wenatchee, Ellensburg, Yakima, Kennewick, Pasco stores in Washington and Keizer and Salem stores in Oregon.  Seriously! OREO® Espresso Shake

Sonic Drive In Keeping It Real! 100% Real Ice Cream

Sonic Drive In Restaurant Shakes Fast Food 100 Percent Real Shakes and Ice Cream Washington Oregon

Got Queso? Melty Cheese Meet Kick of Heat!

SONIC® Queso Burger

Queso Burger at Sonic Drive Ins in Washington and Oregon in Poulsbo Ferndale, Renton, Wenatchee, Ellensburg, Kennewick, Pasco, Keiser, Salem

OREO® Big Scoop Cookie Dough SONIC Blast® & Sundae

OREO® Big Scoop Cookie Dough SONIC Blast® & Sundae Available for a Limited Time Only at your local participating Sonic Drive In Restaurant in Washington & Oregon.

Half Price Drinks at Sonic!

What’s YOUR favorite drink at Sonic Drive-In? Limeade? Slush? Ocean Water?  Drinks & Slushes – always half price in the Sonic App! This is How We SONIC!

Red, White and Blue Slush Float

Sonic Drive In Red White and Blue Slush Float
Real Strawberries.
Classic SONIC® Slush.
100% Real Ice Cream.
Blue Raspberry Slush.

For A Limited Time Only

The Sonic Mesquite Butter Bacon Cheeseburger

The Sonic Mesquite Butter Bacon Cheeseburger –  Available at our Washington and Oregon Sonic Drive-In Locations:

Sonic Popcorn Chicken Po'Boy Sandwich

Sonic Drive In App Download Order Ahead Restaurant Good Food Dessert Burgers Ice Cream
Download Sonic App to order Sonic Drive In Food and Desserts Online
Download Sonic App to order Sonic Drive In Food and Desserts Online


Be FIRST in line, EVERY TIME! Browse the Menu, Order Ahead, and receive SWEET (or SAVORY) REWARDS!

Sonic drive in restaurant online app ordering Washington and Oregon

Get 1/2 Price Drinks & Slushes any time you order in the SONIC® app!

Sonic Drive in 1/2 price slushes Sonic Restaurants Poulsbo Bremerton Ferndale Bellingham Renton Seattle WA

Sonic Nights 1/2 Price Cake Batter Shakes After 8 PM!

Sonic Nights Cake Batter Shakes Sonic Drive Ins Washington Oregon

SONIC® Bacon Cheeseburger

It doesn’t get better than Bacon
Sonic Drive In Restaurant Bacon Cheeseburger

Twisted Texan Cheeseburger & Footlong Coney

Find a Sonic Drive-In Restaurant Near You!

Olympic Cascade Drive-Ins, LLC owns and operates 10 Sonic drive in restaurants in Washington and Oregon. Click here to find a Sonic Drive In restaurant near you or click on a city below to go directly to the Sonic page for that city in Washington and Oregon. 

Explore Jobs at one of our Sonic Drive-In Stores

Click here to learn about job opportunities with Olympic Cascade Drive-Ins, LLC at one of our Sonic stores. Find out why Olympic Cascade Drive-Ins, LLC is such a fun and exciting place to work! 

Everybody wants to Carhop… Right?! How cool is that! 

This is How We Sonic!

Life at Sonic…  A unique culture of creativity,
collaboration and Cherry Limeades!

When we say the SONIC culture is unique, we mean it. By design, we seek and attract a different kind of team member than most companies. We encourage creative, free-wheeling, fun-loving passion on our roller-skating front lines. At SONIC, we believe that work should be something you look forward to, hungrily.

Job opportunities at Sonic Drive In restaurants in Washington and Oregon

Sonic Drive-In - Meet the Taylors

Sonic Drive In Extra-Long Ultimate Cheesesteaks

Original or Spicy

The Flavor Lives Up to the Name!

The Sonic Drive-In Original or Spicy Extra-Long Ultimate Cheesesteaks ONLY $4.29 Each.

Sonic Mesquite Butter Bacon Cheeseburger

The Sonic Mesquite Butter Bacon Cheeseburger –  Available at our Washington and Oregon Sonic Drive-In Locations:

Give Your Day All Kinds of Flavor! This is How We Sonic!

Head on down to your favorite Sonic Drive-In fast food restaurant at one of our Oregon or Washington locations in PoulsboFerndaleRentonWenatcheeEllensburgYakima, or Kennewick and Pasco stores in the Tri-Cites and in Oregon our Keizer or Salem to check out our latest new menu items and ice cream treats. This is How We Sonic!

New Red Bull® Summer Edition Slush

Sonic Red Bull Summer Edition Slush at Sonic Driove In Fast Food Restaurants including Wenatchee Washington

Learn More About the New Red Bull® Summer Edition Slush

The Sonic Swag Shirts Are Here - Order Your Washington or Oregon Swag Shirt at the link Below

Sonic Drive-In Fast Food Restaurant "Giant Mouth"

Sonic One Day Video

Sonic Ice

Sonic Trick or Treat Bleas - A Party in Your Mouth

Shimmy Head Nod -All The Feels!

Sonic Drive-In, the Ultimate Drink Stop!

Sonic Banging Queso Burger

Sonic Banging Queso Burger – Delicioso!

Sonic Celebrates Teacher Appreciation Month!

Thank You Teachers For ALL That You Do! You Are the Real Heros in the Communities You Serve!