Duffy's Ultimate Functional Fitness is a gym unlike any other! DUFF is designed for all fitness level
D.U.F.F., Duffy's Ultimate Functional Fitness, is a complete, total body workout which incorporates functional movements in safe manner without risking injury. DUFF workouts are ALWAYS different which keeps the body guessing and in turn, constantly changing. Our motto at DUFF is "Include everyone, exclude no one, fitness for ALL!"
08/25/2026
We are hiring!! 💪
Looking for a part time trainer with the skills and personality to work with all ages and ability levels.
Position includes personal training and group classes.
If you are interested, please shoot us a DM so we can set up a time to chat.
08/18/2026
🔥 BACK TO ROUTINE AT DUFF! 🔥
School is back, routines are back… and it’s time to get BACK TO DUFF! 💪
We’ve got TWO special ways to get moving, stay consistent, and bring a little more DUFF into your week 👇
👯♀️ SPECIAL #1: BRING YOUR BESTIE
Everything is better with a friend! ❤️
Bring your bestie to DUFF and they’ll get TWO FULL WEEKS of Personal Training FREE!
Come sweat together, try something new, and let your bestie experience what makes DUFF different. 💪
You bring the bestie. We’ll bring the workout.
Offer valid for NEW personal training clients.
🔥 SPECIAL #2: 2 MONTHS + YOUR 3RD MONTH FREE
Ready to get back into a routine?
Commit to 2 months of DUFF Group Classes and we’ll give you your 3RD MONTH FREE! 🎉
More consistency. More accountability. More DUFF. 💪
Whether you’re ready to recommit to yourself or bring your favorite workout buddy along…
THIS is your sign to get back into your routine!
🔥 LET’S MAKE THIS YOUR STRONGEST SEASON YET! 🔥
📲 Message us or stop by DUFF to get started!
BackToSchool GroupFitness PersonalTraining FitnessFamily GetStrong CharlestonFitness MountPleasantSC
SUMMER DUFF GIRLS program kicks off in ONE WEEK Wednesday, June 10th. Classes are 12:00pm-1:00pm. Sign up now! LET’S GO!
03/04/2026
Middle school years matter.
DUFF • GUYS is designed to give boys (6th–8th grade) a place to build strength, confidence, discipline, and healthy habits — all in a positive and supportive space.
🗓 March 10 – April 30
📍 Tuesdays & Thursdays | 4:30–5:30 PM
(Once-a-week option available)
This is more than a workout — it’s mentorship, encouragement, and growth.
Message us or scan the QR code to register!
02/25/2026
✨ NEW Ladies Small Group Training ✨
Looking for a supportive, fun way to build strength and start your mornings strong? This is for YOU. 💪💗
Join us Tuesdays & Thursdays from 6:00–6:45 AM for a small group experience focused on:✔️ Strength training✔️ Mobility & movement✔️ Nutrition support
All fitness levels welcome — just show up ready to move and be encouraged!
📍 DUFF Training📩 Message us to grab your spot — limited spaces available.
| Monday | 6am - 1pm |
| 3:30pm - 7:30pm | |
| Tuesday | 6am - 1pm |
| 3:30pm - 7:30pm | |
| Wednesday | 6am - 1pm |
| 3:30pm - 7:30pm | |
| Thursday | 6am - 1pm |
| 3:30pm - 7:30pm | |
| Friday | 6am - 1pm |
| 3:30pm - 7:30pm | |
| Saturday | 9am - 11am |