If you love the idea of a usable space under your deck, but don’t want to fully enclose it, an open-sided underdeck might be exactly what your backyard needs.

Open underdeck spaces give you protection from rain while keeping the fresh air, views, and easy access to the yard. It’s the perfect balance between shelter and openness. Whether you’re dreaming of a covered patio with lounge seating, an outdoor dining area, or a relaxed backyard retreat with fans and lighting, an open-sided design keeps things light, airy, and inviting.

Below, you’ll find a gallery of open underdeck projects we’ve completed throughout the Twin Cities. Scroll through for real-world inspiration, and then keep reading for creative under deck ideas you can use to shape your own space.

Open Under Deck Hot Tub & Patio Dining Area

This open under deck design features a beautiful patio and hot tub protected from the elements, along with space for a table and chairs. With a professional under deck drainage system in place, the area stays comfortable and functional even during rain.

It’s one of the most popular under deck ideas for homeowners who want a flexible outdoor living space — combining relaxation, entertaining, and everyday usability in one open, airy layout.

A two-story house with an upper deck featuring black railings and stairs leading to a covered patio below, where an under deck drainage system keeps the space dry. The patio is furnished with chairs, tables, potted flowers, green lawn, and trees. Covered patio under a deck at a house, featuring outdoor furniture and a grill, with an under deck ceiling and views of the sunny backyard and neighboring houses in the background. A covered patio with a hot tub, glass table, and chairs overlooks a green backyard. Stairs lead to an upper level featuring an under deck ceiling, while sunlight filters through the surrounding trees. A covered patio with a ceiling and recessed lights, featuring outdoor furniture, a hot tub, potted plants, and glass doors to the house. An under deck drainage system ensures the space stays dry, with a lush green lawn visible outside. A covered patio with a bubbling hot tub, outdoor dining furniture, and potted flowers sits beneath an under deck ceiling, while a staircase leads to a grassy, sunlit backyard with trees. A hot tub with an open cover sits under a covered patio next to a beige house, enhanced by an under deck drainage system, with green grass and trees visible in the background.

Covered patio with ceiling fans, cushioned seating, a fire table, and outdoor dining furniture. Sunlight streams through large screened windows—perfect for relaxing or gathering under deck ideas with an under deck drainage system for existing decks. Two-story back patio of a house with a raised deck above—perfect for exploring under deck ideas. Outdoor furniture on both levels, stairs lead to a lawn and a small putting green, creating versatile spaces for relaxation and fun. A modern two-story house with a covered patio area below a raised deck, featuring outdoor seating, ceiling fans, and a fire pit—showcasing stylish under deck ideas—all set against a bright, sunny sky and lush green lawn. Covered outdoor patio with a ceiling fan, cushioned seating, and a tall patio heater, featuring under deck waterproofing. Adjacent to a house with large windows, it offers bright daylight and tree views in the background.

Under Deck Lounge with Firepit & Putting Green

This open under deck space is designed for entertaining and everyday comfort. With low-profile lounge seating, a high-top table, and a small firepit, the area functions like a true outdoor living room, all protected by a professionally installed under deck drainage system.

Retractable screens give some additional flexibility, allowing the space to stay open and breezy when the weather is nice, but closed off when needed. Two large ceiling fans keep air moving, while the nearby putting green adds a nice extra touch. If you’re looking for under deck ideas that blend relaxation, recreation, and all-season usability, this type of open underdeck design delivers on every level.

Open Under Deck Fireplace Gathering Space

Centered around a beautiful outdoor fireplace, this open under deck design creates a warm and inviting place to relax. A wicker sectional frames the fire feature, while string lights and stained wood posts add character and ambiance.

It’s a simple but powerful under deck idea, turning the space below your deck into a cozy, usable outdoor living area.

A two-story tan house with a wooden deck and black railing on the upper level, patio furniture and potted plants below, string lights, and a well-kept lawn under a clear blue sky. A covered outdoor patio with wicker chairs, a soft couch, string lights overhead, and green trees in the background on a sunny day. A covered patio with wicker sofas, a round fire pit table, string lights overhead, and an outdoor rug. Wooden stairs lead up, and sliding glass doors open to the house. Sunlight brightens the area. Covered patio with wicker furniture, a circular fire pit table, striped blanket, and string lights. An under deck ceiling ensures the area stays dry as you overlook a grassy backyard with playground equipment and pavers underfoot. Two-story tan house with a raised wooden deck, black railings, stairs, and string lights. Below the deck is a patio with outdoor furniture, potted plants, and a small fire pit on a sunny day.

A two-story house with large balconies—featuring an under deck drainage system for existing decks—and abundant windows overlooks a well-maintained lawn and garden, surrounded by green trees and colorful flowers on a sunny day. A covered outdoor patio with a round wooden table and chairs, wall clock, and sliding glass doors showcases creative under deck ideas, surrounded by greenery and potted plants on a sunny day. Covered patio area under a raised deck with white columns, outdoor furniture, potted plants, and sliding glass doors—an inviting space enhanced by under deck waterproofing and stylish under deck ideas, surrounded by greenery on a sunny day. A covered patio with a round wooden table and chairs overlooks a grassy lawn, trees, and a calm lake with a dock in the background on a sunny day—protected by an under deck drainage system for existing decks. A covered patio with an under deck ceiling and white support beams, furnished with outdoor sofas, chairs, and tables, overlooks a grassy yard and a scenic lake. Large windows and lush greenery are visible in the background. Covered patio with a light-colored ceiling and furniture, round and rectangular tables with chairs, potted plants, and a view of a grassy yard and lake—enhanced by an under deck drainage system for existing decks to keep everything dry on sunny days.

Breezy Lakeside Under Deck Retreat

With sweeping lake views and a wide, open layout, this under deck space is designed to make the scenery part of the experience. A comfortable sitting area with chairs, end tables, and a coffee table creates a relaxed gathering spot, while a separate table-and-chairs setup offers space for dining or conversation, all protected by a professionally installed under deck drainage system.

The addition of a hot tub makes this one of those under deck ideas that truly elevates a lakeside property. It’s open, airy, and built to maximize the view while still keeping the space below the deck dry and usable.

Luxury Poolside Under Deck Kitchen

This open under deck design overlooks the pool and feels more like a private resort than a backyard. A granite-topped outdoor kitchen with a built-in grill and barstool seating anchors the space, while a separate lounge area around a coffee table creates room to relax between swims, all kept dry by the under deck gutter system.

Smart storage tucked under the stairs keeps pool toys organized and out of sight, making the entire area both beautiful and functional. If you’re looking for high-end under deck ideas that blend cooking, entertaining, and poolside living, this setup delivers serious impact.

Modern two-story house with a covered patio, outdoor dining area, and a swimming pool. There is a stone bar, lounge chairs, and green lawn, with neighboring homes visible in the background. Covered outdoor patio with a built-in stone grill and sink, ceiling lights overhead, and a view of a pool area and basketball hoop in a landscaped backyard with trees. Two-story house with a large covered patio and upper deck. Patio has modern outdoor furniture, a fire pit, and stone accents. Stairs lead to the upper deck, overlooking a pool in the foreground. Close-up of a white gutter and downspout system attached to a deck post, with a backyard pool, patio area, green lawn, and trees blurred in the background on a sunny day. Covered outdoor patio with built-in grill, granite countertop, and seating area; overlooks a swimming pool, green lawn, pergola, and landscaped backyard with trees and shrubs. Close-up of a white downspout directing water into a black drainage grate on a patio near a stone wall and outdoor chairs, under a covered porch area.

A modern two-story house with large windows, balconies, and a spacious patio featuring lounge chairs, greenery, and a stone pathway, surrounded by a well-manicured lawn and trees. Covered stone patio with lounge chairs overlooks a green lawn, trees, and a calm lakeshore at sunset. The sky is partly cloudy with pink and blue hues, creating a peaceful outdoor setting. A covered patio area under a raised wooden deck with black ceiling panels, large glass window, and surrounding greenery in a backyard setting. Outdoor kitchen area under a covered patio with a built-in grill, stone countertop, and wooden posts supporting the upper deck; landscaped yard with bushes and trees in the background. Outdoor kitchen with stainless steel countertops, bar seating with black stools, stone accents, and a metal gutter. Beyond the kitchen, there is a patio with chairs, tables, and a grassy lawn with trees. Modern, multi-level house with large glass balconies and spacious patio area. White outdoor chairs and tables are arranged on a stone-paved section, surrounded by green grass, tall trees, and landscaped gardens.

Open Under Deck Bar & Lakeview Entertaining Space

This open under deck design is built for hosting. A bar area with a built-in grill anchors the space, overlooking a wide lakeside property and giving guests a perfect spot to gather. Beneath it, a beautiful brick paver patio extends beyond the covered area, creating a seamless transition from sheltered seating to open-air space.

With plenty of room for tables, chairs, and conversation areas, this is one of those under deck ideas that makes entertaining effortless. From casual cookouts to full-blown lawn parties, the layout is designed to handle a crowd while keeping the space below the deck dry and inviting.

Thinking About Creating an Open Under Deck Space?

If you’re picturing a covered patio for entertaining, a shaded lounge area with comfortable seating, or simply a dry place to unwind after a long day, the right under deck ideas can completely transform how you use your backyard. The key to making it work? A professionally installed under deck drainage system. By directing water away and keeping the area below dry, an open underdeck gives you the freedom to design a space that feels airy, functional, and built to last. When you’re ready to turn that empty space into something you’ll actually use, give us a call or send us a message. Contact us today for your free quote.

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