If you’ve ever looked at the open space beneath your deck and thought, “That’s wasted square footage,” you’re not alone. Many homeowners see that area as little more than storage for lawn equipment or a spot that collects leaves and debris. But the truth is, leaving that space unused means missing out on valuable opportunities to expand your outdoor living.
At Custom Built, we’ve helped families across Greater Lansing and Boyne City rethink how they use every inch of their property. With smart planning and creative design, the under-deck area can become a functional, comfortable extension of your home.
In this article, we’ll share eight of the best Michigan under-deck living space ideas. You’ll discover how this overlooked area can be transformed into something that enhances your home, adds comfort, and creates lasting memories for your family:
- Outdoor Dining Area
- Outdoor Kitchen or Bar
- Covered Lounge Space
- Outdoor Storage Solutions
- Play Zone for Kids
- Hot Tub or Spa Retreat
- Functional Walkout Patio
- Outdoor Theater Lounge
1. Outdoor Dining Area
If you love entertaining, the shaded space under your deck can become the perfect outdoor dining area. Add a weather-resistant table, lighting, and even a ceiling fan for warm days.
With the deck above serving as a roof, you’ll be able to host family dinners or backyard gatherings even when the sun is intense or it's raining.
More Design Tips:
- Install recessed or string lighting for ambiance.
- Use outdoor rugs to define the dining zone.
- Consider built-in benches for extra seating.
- Add a waterproof ceiling system, like Trex RainEscape, above to keep the space dry.
2. Outdoor Kitchen or Bar
PC: RTF Systems
Take dining a step further with a built-in kitchen or bar. An under-deck kitchen keeps appliances and countertops out of direct weather exposure while still providing an excellent space for cooking and entertaining.
Think about including a grill, prep station, refrigerator, or bar seating, perfect for hosting during Michigan’s summer weekends.
More Design Tips:
- Opt for stainless steel or stone countertops for durability.
- Install ventilation fans to help with smoke control.
- Add task lighting under cabinets for evening cooking.
- Include bar-height seating to create a social hub.
3. Covered Lounge Space
PC: LeBlanc Decks
Turn the space into a cozy lounge with weatherproof furniture, outdoor rugs, and soft lighting. Add curtains or shades for privacy and wind protection. This creates a relaxing retreat where you can unwind with a book, enjoy conversation, or simply take in the view of your yard.
More Design Tips:
- Choose fade-resistant cushions and fabrics.
- Use outdoor-rated ceiling fans for comfort in summer.
- Incorporate built-in shelving for décor or plants.
- Consider a fireplace or portable heater for chilly nights.
4. Outdoor Storage Solutions
PC: DecksDirect
If your home feels short on storage, the under-deck area can be finished off with weather-sealed cabinets, enclosed storage rooms, or even sliding doors. This is a great place to keep lawn tools, bikes, seasonal décor, or deck cushions safe and organized.
More Design Tips:
- Install waterproof flooring to protect stored items.
- Use vertical shelving to maximize space.
- Add motion-sensor lighting for easy access.
- Create a combination of enclosed and open storage.
5. Play Zone for Kids
Families with young children can turn under-deck space into a sheltered play zone. Install rubber flooring, add toy storage, and even incorporate chalkboard walls or climbing features. This gives kids a safe outdoor space to play while staying shaded and dry.
More Design Tips:
- Use bright, washable paint for walls and accents.
- Install a swing or hanging play feature if the ceiling height allows.
- Add storage bins for toys and sports gear.
- Incorporate soft flooring like turf or rubber mats for safety.
6. Hot Tub or Spa Retreat
The natural shade and coverage under a deck make it an ideal spot for a hot tub or spa. You’ll get privacy, weather protection, and a more intimate atmosphere. Add steps, seating, and accent lighting to make the spa area feel like a true backyard getaway.
More Design Tips:
- Ensure proper drainage to avoid moisture buildup.
- Add privacy screens or latticework for seclusion.
- Install dimmable lighting for evening relaxation.
- Use non-slip flooring around the spa area.
7. Functional Walkout Patio
PC: Trex
For homes with walkout basements, finishing the under-deck area as a patio helps tie the outdoor space together. Choose durable flooring, add lighting, and connect it with landscaping to create a seamless transition between indoor and outdoor living.
More Design Tips:
- Use stamped concrete, pavers, or stone for a polished look.
- Add ceiling fans or heaters to extend seasonal use.
- Connect the patio with walkways or garden beds.
- Include outdoor furniture that complements your home’s style.
8. Outdoor Theater Lounge
PC: Houzz
Bring the magic of the movies home by turning your under-deck area into a theater lounge. With a weatherproof projector screen or mounted outdoor TV, you can enjoy family movie nights, sports events, or binge-worthy shows in comfort.
More Design Tips:
- Invest in a sound system designed for outdoor use to get clear, rich audio without bothering the neighbors.
- Incorporate layered lighting, like string lights, sconces, or dimmable LED fixtures, to shift from casual evening hangouts to cinematic nights.
- Consider weatherproof furniture covers or a storage bench to protect your seating and electronics when not in use.
Next Steps to Remodeling Your Outdoor Living Space
That open area beneath your deck doesn’t have to sit empty or collect clutter. With the right planning, it can become a place where your family relaxes, entertains, or finds the storage you’ve always needed.
You’ve now seen how under-deck spaces can be turned into lounges, play zones, outdoor kitchens, or functional storage.
At Custom Built, we specialize in helping families across Greater Lansing and Boyne City reimagine their spaces.
If you’re ready to see how your under-deck space could work for you, let’s talk. Reach out to schedule a Discovery Call, and together we’ll create a plan that transforms your outdoor living.
Now that you know more about under-deck outdoor living space ideas, let’s explore the top flora to plant for your oasis, how much composite decks cost, and the projects that can increase the resale value of your home:
- 10 Best Plants for Your Michigan Deck - Discover the top foliage to incorporate into your Michigan outdoor living space for top-tier aesthetics and durability.
- How Much Do Composite Decks Cost in Lansing, Michigan? - An overview of how much your Lansing composite deck will cost and the factors that will influence your price.
- 5 Remodeling Projects That Can Increase Resale Value - A high-level review of the various remodeling projects that will increase your home’s resale value, curb appeal, and return on investment.
