Jamba Sierra & Slover

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Jamba Sierra & Slover

Jamba Sierra & Slover is a smoothie and juice bar located on Sierra Avenue, offering a variety of healthy options such as freshly blended whole fruit and vegetable smoothies, bowls, juices, cold-pressed shots, boosts, snacks, and meal replacements. With over 900 locations worldwide, Jamba Juice Company is a global brand that prioritizes the use of premium ingredients without artificial flavors and preservatives to ensure that guests feel their best.

Recent social media posts

06/26/2026

call me a homebody

06/22/2026

We're still celebrating all things summer with this offer for Jamba Rewards Members! Enjoy $2 off any smoothie today only.

Offer exclusive to Jamba Rewards Members at participating locations. Offer valid for $2 off one (1) any sized Smoothie (excluding add-ons, substitutions, taxes & fees) order online or in store on 6/22/26 at participating locations. Must apply reward at checkout. Single use. Not valid with any other offer or reward, or third-party delivery. Service fee applies to online, in app, and certain call-in orders, other fees and taxes may apply for all orders; see checkout for details. Void where prohibited.

06/21/2026

HAPPY NATIONAL SMOOTHIE DAY!

Stop by your local Jamba for a $1 small 16oz Strawberry Whirl or Mango a Go Go smoothie from 10AM - 2PM local time!

Offer valid in store only from 10:00 am - 2:00pm local time on 6/21/26 for one (1) 16 oz Mango-A-Go-Go® or Strawberry Whirl Smoothie for $1 (excluding add-ons, extras, and taxes) at participating locations (drive thrus and kiosks excluded) while supplies last. One per person. Must be present in store to redeem offer. Offer is not valid with any other offer or reward or on third-party delivery. Void where prohibited. Jamba reserves the right to end promotion at any time without prior notice.

06/20/2026

it’s the start of summer eve and we are celebrating with $2 sml strawberry lemon twist or watermelon lemonade over ice 🍋🍉

Offer valid on 6/20/2026 for a $2 Small Watermelon Lemonade Over Ice or Strawberry Lemon Twist Over Ice (excluding grab n go, add-ons, extras, substitutions, taxes & fees) at participating locations. Single use, one per person per visit. Valid in-storeonly. Offer not valid with any other offer or reward, or on third-party delivery. Other fees and taxes may apply; see checkout for details. Void where prohibited.

06/18/2026

Summer is here in THREE DAYS! And we're celebrating all weekend long!

06/16/2026

We're kicking off Summer with a weekend of deals you won't want to miss

06/14/2026

but who's counting....?

06/12/2026

my middle name is watermelon breeze

06/11/2026

boost your game day with the Hat Trick Tango ⚽

06/06/2026

It's not summer without Watermelon Breeze!

Stop by your Jamba to try
🍉 Watermelon Breeze Smoothie
☁️ Watermelon Skies Smoothie
🥭 Watermelon Sunshine Bowl

06/05/2026

the juiciest drop of the summer is HERE! Watermelon Breeze is available now!

12/31/2022

Cheers to a happy smooth year!

12/29/2022

celebrating the JamFam every day. We love you!

12/28/2022

Collect a smoothie when you pass go

12/25/2022

How adorabowl is this 😍

12/23/2022

when your order a mix it up card, you can use it at jamba and then use it at auntie anne's

12/20/2022

Be spoontaneous and order this vanilla blue sky bowl

12/18/2022

He also said that if you like smoothies, you are automatically on the nice list

12/15/2022

You can't spell party without smoothies

11/26/2022

leftovers taste better with a smoothie to wash it down

11/24/2022

Thankful for smoothie bowls

Address

10515 Sierra Avenue, Suite 200
Fontana, CA
92335

To get to the smoothie & juice bar on Sierra Avenue in Fontana, you can take either the 61 or 82 bus routes and get off at the Sierra Ave/Lyons Ave stop. From there, walk south on Sierra Avenue for about two blocks until you see the establishment on your left.

If driving, take exit 65 off of the I-10 freeway and head south on Sierra Avenue. Turn right onto Slover Avenue and then turn right into the parking lot. The establishment will be on your left-hand side. Parking is available in the lot.

Opening Hours

Monday	7am - 9pm
Tuesday	7am - 9pm
Wednesday	7am - 9pm
Thursday	7am - 9pm
Friday	7am - 9pm
Saturday	7am - 9pm
Sunday	7am - 9pm

Website

https://locations.jamba.com/ca/fontana/10515-sierra-avenue?utm_source=extnet&utm_medium=organic&utm_campaign=locations_p

Alerts

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What people say

Jamba Sierra & Slover is a must-visit smoothie and juice bar located on Sierra Avenue in Fontana. As part of the Jamba Juice Company, this global healthy lifestyle brand inspires and simplifies healthful living through freshly blended whole fruit and vegetable smoothies, bowls, juices, cold-pressed shots, boosts, snacks, and meal replacements. What sets Jamba Sierra & Slover apart from other smoothie bars is their commitment to using only premium ingredients that are free of artificial flavors and preservatives. This ensures that guests can feel their best and blend the most into life with every sip. With over 900 locations worldwide, Jamba Juice has become a household name for those seeking a healthier lifestyle. So if you're looking for a delicious and nutritious treat, head on over to Jamba Sierra & Slover today!

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