You’re Throwing a Graduation Party for 150 People. Here’s the Exact Rental List You Need.

You’ve got 150 guests on the list, a graduate who deserves a celebration they’ll never forget, and a backyard — or a family property — that’s about to become the best party venue in the neighborhood. But before you finalize anything, you need to answer one critical question: what exactly do you need to rent?

A graduation party rental checklist for 150 guests is more involved than most families expect. It’s not just a tent and some chairs. It’s the tent and the right tent for your surface. It’s chairs and tables — the right sizes, in the right quantities. It’s lighting, a dance floor if you want one, a cooling or heating solution depending on the season, and the add-ons that separate a good party from an unforgettable one. After 15 years of helping Maryland families set up graduation celebrations from Carroll County to Anne Arundel, we know exactly what this list looks like — and we’re putting it all here so you don’t have to piece it together from five different sources.

What Size Tent Do You Need for 150 Graduation Party Guests?

Tent sizing is where most families go wrong — and it’s the decision that sets the tone for everything else. Too small and guests feel cramped. Too large and the space feels hollow and disconnected. For a graduation party of 150 people with a standard mix of seating, a buffet or food station, and a bar area, you’re looking at a 40×60 or 40×80 tent as your starting point.

Here’s why the numbers work out that way. A seated dinner with round tables requires approximately 12 square feet per person. At 150 guests, that’s 1,800 square feet of table space alone — before you account for a buffet (budget 100–150 sq ft per line), a bar area (another 100 sq ft), a DJ setup (about 100 sq ft), and the clear pathways guests need to move comfortably between all of it. A 40×60 tent gives you 2,400 square feet. A 40×80 gives you 3,200 square feet — enough headroom for a dance floor too.

The type of tent also matters here. If your celebration is on grass, a pole tent or high peak pole tent offers dramatic rooflines at an accessible price point. If you’re working with a driveway, patio, or mixed-surface property, a frame tent is the right call — it’s freestanding, requires no center poles, and can go on virtually any surface. Browse the full tents by size or get a quote and let our team match the right tent to your specific property.

Tables and Chairs: The Exact Numbers for 150 Guests

Tables and chairs are where the math matters most. Get this right and everything else slots into place naturally. Here’s what 150 guests typically requires:

Guest Seating Tables

If you’re using 60-inch round tables (the most popular choice for Maryland graduation parties — comfortable, social, and elegant), each seats 8–10 guests. At 150 guests with 8 per table, you’ll need 19 tables. At 10 per table, that’s 15 tables. Plan for 16–17 tables to give guests breathing room and account for the graduate’s family, which often needs more space than expected.

If you prefer a more casual setup with 8-foot rectangle tables — common for backyard graduation parties where families want a neighborhood cookout feel — each one also seats 8–10. The math is similar, but the layout gives you longer serving-style rows that work especially well for buffet-adjacent seating.

Chairs

Order at least 165 chairs for 150 guests — a 10% buffer accounts for latecomers, families with young children who need extra seats, and the inevitable chair that wanders away from a table. Chair style is a real decision here: white poly folding chairs are the most budget-friendly option and photograph cleanly. Fruitwood chairs (dark padded wood) add warmth and a more polished feel. Chiavari chairs in gold, silver, or white bring a formal ballroom look if the graduate wants something more elevated.

Specialty Tables

Beyond guest seating, most graduation parties also need:

• 1–2 buffet tables — 8-foot or serpentine tables work well for food lines
• 1 bar/beverage table — 6-foot rectangle is standard
• 1 cake/dessert table — a 36″ round or 6-foot rectangle works well
• 1 gift table — usually a 4-foot or 6-foot rectangle set near the entrance
• 1 DJ or band table — if applicable

Lighting and the Extras That Make It Feel Like a Party

Here’s one of the most underappreciated advantages of renting through Dreamers Event Rentals: lighting is included at no extra cost when rented with a tent. That means the bistro lights — the warm, strung lights that make every photo look like it was taken at golden hour — come with your tent rental, installed by our crew. No additional fee.

That said, there are still smart lighting add-ons worth considering for a party of 150:

• Chandeliers — Suspended from the tent frame, these add a dramatic centerpiece effect that guests photograph constantly. Great for both elegant and modern-rustic graduation themes.
• Leg drapes — Fabric covers for the tent’s metal legs that dress up the perimeter and pull the entire look together. Small detail, big visual difference.
• Tent liner — A fabric ceiling that hides the structural top of the tent and creates a soft, elegant interior. Transforms the feel of the space completely.

Linens are another category that shapes the entire visual experience. DER offers cloth napkins in many colors, table runners, and floor-length linens for 60-inch rounds (you need a 120-inch round cloth for floor length). Linens are not included with tent or table rentals — they’re a separate line item — but they’re one of the most visible upgrades you can make to the space.

Dance Floor, Lawn Games, and Entertainment Rentals

Graduation parties have a different energy than weddings. They’re louder, looser, and younger — and the entertainment setup should reflect that. Here’s what to think through:

Dance Floor

Not every graduation party needs a dance floor — but if music and dancing are part of the plan, you need to size it correctly. The standard formula is 4–5 square feet per dancer, and you can typically expect about 40% of your guest count to dance at any given moment. For 150 guests, that’s roughly 60 dancers — meaning you’ll want approximately 12×20 or 16×16 feet of dance floor. Our dance flooring works on grass, asphalt, and hard surfaces, and installation is included at no extra cost.

Lawn Games

This is the graduation party rental category that keeps guests engaged during cocktail hour and slows the rush to the food line. DER rents Cornhole, Giant Jenga, Spikeball, and Kan Jam — all crowd favorites for outdoor events. Set them up on the lawn perimeter outside the tent for natural traffic flow, or along one side of the tented area if weather requires it.

Sound System

If you’re bringing in a DJ, they’ll provide their own equipment. If you’re handling music yourselves, our sound systems include Bluetooth and aux input — so you can connect from any phone or device. Coordinate power access with our team during the planning process; we can advise on generator rentals if your property doesn’t have outdoor outlets near the tent location.

Keeping 150 Guests Comfortable: Climate Control Under a Tent

Maryland graduation season runs May through June — which means you’re dealing with everything from 60-degree overcast evenings to 90-degree humid afternoons. Climate control under a tent for 150 people is a real logistical consideration, not an afterthought.

Fans (Spring and Summer)

DER rents tent fans designed specifically for event use. For a 40×60 or 40×80 tent with 150 guests, plan on multiple fans positioned to create cross-circulation. Most of our standard vinyl tents are “block-out” rated — meaning they reflect heat rather than trap it — which helps significantly in direct sun. (The exception is Clear Top tents, which allow sunlight through by design and require more active cooling.)

Tent Walls

This is the add-on that most families forget to ask about — and then wish they had. Tent walls are NOT included with your tent rental — they’re a separate add-on. We carry solid white walls, windowed walls, and clear walls. For a spring graduation with unpredictable weather, booking at least one or two walls on standby gives you flexibility if a storm rolls through. You can call us to add them if availability allows, but booking them upfront is the safer move.

Propane Heaters (Cool Evenings)

Graduation parties that run into the evening in May or early June can get surprisingly cool, especially in Carroll, Frederick, and western Baltimore counties. We rent propane tent heaters — plan for approximately 1 heater per 1,000–1,500 square feet of tent space. The heater unit and propane tank sit outside the tent, with a vent that directs warm air inside. No open flames under the tent.

The Complete Graduation Party Rental Checklist for 150 Guests

Use this as your master list. Every item can be quoted and reserved through Dreamers Event Rentals.

Essential Rentals (Every 150-Guest Party Needs These)

• ✅ Tent — 40×60 or 40×80 (frame or pole depending on your surface) — party tent rentals
• ✅ Guest tables — 16–17 x 60″ round tables (or 18–19 x 8ft rectangles for a casual layout)
• ✅ Chairs — 165 minimum (poly folding, fruitwood, or Chiavari)
• ✅ Specialty tables — 2 buffet, 1 bar, 1 cake, 1 gift
• ✅ Bistro/string lighting — included at no extra cost with tent rental

Highly Recommended Add-Ons

• ⭐ Linens — tablecloths and napkins in graduation colors
• ⭐ Tent walls — 1–2 panels for weather protection; NOT included in base rental
• ⭐ Dance floor — 12×20 or 16×16 for a 150-person party; installed at no extra cost
• ⭐ Lawn games — Cornhole, Giant Jenga, Spikeball, Kan Jam
• ⭐ Coolers — hold 60–80 cans each; plan for 2–3 for a 150-person event
• ⭐ Trash cans — large event cans; essential for outdoor parties at this size

Situational Add-Ons (Based on Your Event)

• Fans — for May/June afternoon parties
• Propane heaters — for evening events in cooler months
• Chandeliers — for elevated visual impact inside the tent
• Sound system — Bluetooth/aux compatible if not using a DJ
• Generator — if outdoor power access is limited near the tent location
• Tent liner — fabric ceiling cover for a finished, elegant look
• Leg drapes — fabric covers for tent legs to polish the perimeter
• Stage — for speeches, slideshows, or a DJ setup at the head of the tent

View the full inventory in our rental catalog or browse past events to see how Maryland families have put these setups together.

When to Book and How the Process Works

Graduation season — May through mid-June in Maryland — is one of our busiest booking periods. If your party falls in that window, booking 4–6 weeks in advance (or earlier) gives you the best selection on tent sizes, specialty chairs, and popular add-ons like dance floors and lawn games. That said, we do take last-minute bookings subject to availability, so it’s always worth calling even if the event is close.

How Booking Works

Here’s the straightforward version of our process: you request a quote (online or by calling us at (410) 881-2227), we build a detailed itemized proposal based on your guest count, tent size, and surface type, and you review it. A quote alone does not hold inventory — items are reserved when you sign the rental agreement and pay the deposit, which is typically 50% of the order total and non-refundable. Your final balance is due 10 days before your event date.

Delivery and Installation

We typically deliver and install 1–3 days before your event. Tent installation is always included — our professional crew handles everything from staking and frame assembly to lighting. Table and chair setup can be added for an additional fee if you’d like us to arrange the interior. On delivery day, you or a representative need to be present to accept the order and confirm the setup.

If you’d like to see our tent sizes in person or need us to measure your property, we offer site inspections to ensure the tent fits your specific location. You can also schedule a free planning consultation if you want to walk through the layout, rental list, and logistics with our team before committing to anything.

Frequently Asked Questions: Graduation Party Rentals in Maryland

What size tent do I need for a 150-person graduation party?

For 150 guests with a standard setup (seating, buffet, bar, and some open space), a 40×60 or 40×80 tent is the right range. The 40×60 works if your layout is tight and you’re skipping the dance floor. The 40×80 gives you room for a dance floor, larger buffet area, and comfortable flow between zones. Our team can confirm the right size once we know your property dimensions and layout preferences — get a quote here.

Are tent walls included with the tent rental?

No — tent walls are a separate add-on rental. They are not included in the base tent price. We carry solid white walls, windowed walls, and clear walls. For Maryland graduation parties in spring, we recommend booking at least a few walls for weather flexibility, especially for evening events. You can add them to your order at any time if inventory is available, but booking upfront guarantees them.

Can you set up tables and chairs, or do I have to do it myself?

Tent installation is always included at no extra cost — our crew installs every tent we rent. Table and chair setup is available for an additional fee. If you’d like us to arrange the interior layout, just let us know when requesting your quote and we’ll include it. Otherwise, tables and chairs are delivered and stacked for you to arrange at your convenience.

How far in advance do I need to book for a graduation party in Maryland?

For graduation season (May through mid-June), we recommend booking as early as possible — ideally 4–6 weeks or more in advance to secure the tent size, chairs, and add-ons you want. Peak graduation weekends in Maryland can book up quickly. We do accept last-minute reservations if inventory is available, so it’s always worth reaching out even if your date is coming up fast. Learn more about our graduation party rentals.