18 Inch Retaining Wall Blocks

Compare Products

Choose upto 5 items for side by side feature comparison

Wishlist

Go to collections

Show filters

Shop 18 Inch Retaining Wall Blocks

Sponsored

Water-Wall Barrier - Orange - ULINE

$480.00

$480.00 / 1 ct

Uline

Water-Wall Barrier - White - ULINE

$480.00

$480.00 / 1 ct

Uline

Landing Tiles - Rubber, 18 X 18"…

$32.00

$32.00 / 1 ct

Uline

Landing Tiles - Rubber, 18 X 18"…

$32.00

$32.00 / 1 ct

Uline

Eventide H3000 Factory Mk II Ultr…

$79.00

$199.00

Sweetwater

Contrac All-Weather Blox Rodenticide …

Final All-Weather Blox Rodenticide …

Evolve Stone National True Sto…

Ditrac All-Weather Blox Rodenticide …

$75.98

DoMyOwn.com

4.5

GAL FASTGRB FRP Adhesive

Cost-effective · Easy to Install · High-quality Material · gray · stone

Genstone Faux Stacked Stone Pa…

Tandefio 3 Pcs Galvanized Steel …

$139.99

Amazon.com

4.0

Amerimix | Masonry Cement And San…

$7.99

Floor & Decor

Horizontal Paper Cutter - 18", Serra…

$58.00

$58.00 / 1 ct

Uline

VEVOR Faux Stone Landscape Edgin…

LEONLITE 8-Pack 12 Inch LED Hard…

GRYVOZE 772 Lbs Granite Slab Liftin…

$187.68

Amazon.com

5.0

Midwall™ Knee Wall Brace Kit 2-1…

$48.95

Corner Guard

Desert Sunrise 12" Corner Panel Left

Quikrete Waterproofing Se…

$135.00

Walmart

4.0

LEONLITE 8-Pack 12 Inch LED Hard…

GRYVOZE 772 Lbs Granite Slab Liftin…

$187.68

Amazon.com

5.0

Midwall™ Knee Wall Brace Kit 2-1…

$48.95

Corner Guard

Desert Sunrise 12" Corner Panel Left

Quikrete Waterproofing Se…

$135.00

Walmart

4.0

Extra Long Water Fillable Plastic Tr…

$455.00

$113.75 / 1 ct

Cable ties and more

Loctite PL 500 Landscape Block …

Traffix Devices Water Wall Barrie…

HP200 Uniaxial Geogrid - 6'X150' …

$140.00

Bluestone Supply

Desert Sunrise Outside Corner

Evolve Stone National True Fir…

Pavestone 6.75 in. L X 11.63 in. W X 4 …

WÜSTHOF Classic 15-Piece Knife Bl…

Showing 1 - 36 out of 177 results for "18 inch retaining wall blocks"
Sort by:
Featured
Featured
Price - High To Low
Price - Low To High
1. Saved
  Save to wishlist
  18 in. Concrete Mini Retaining Wall …
  $2.97
  H
  Home Depot
2. Saved
  Save to wishlist
  4.2
  ·
  30
  4.2
  30 ratings
  Promuro 6 in. X 18 in. X 12 in. Ozar…
  $849.00
  H
  Home Depot
  Free shipping
3. Saved
  Save to wishlist
  Diamond PRO 8 in. X 18 in. X 12 in…
  $125.54
  H
  Home Depot
4. Saved
  Save to wishlist
  SALE
  18 in. X 12 in. Concrete Compact R…
  $18.12
  $125.54
  H
  Home Depot
5. Saved
  Save to wishlist
  Modern Yard 8-In H X 18-In L X 11.…
  $9.48
  L
  Lowe's
6. Saved
  Save to wishlist
  Gabion Retaining Wall Landscapin…
  $1.40
  A
  Alibaba B2B
  Free shipping
7. Saved
  Save to wishlist
  Concrete Retaining Wall Blocks
  $84.50
  E
  eBay.com
  Free shipping
8. Saved
  Save to wishlist
  1.8
  ·
  6
  1.8
  6 ratings
  Varden Retaining Wall Block - Light…
  $198.00
  W
  Walmart
  Free shipping
9. Saved
  Save to wishlist
  Universal Retaining Wall Block Drai…
  $55.85
  W
  Walmart
  Free shipping
10. Saved
  Save to wishlist
  Used
  4.5
  ·
  11
  4.5
  11 ratings
  Universal Retaining Wall Block Drai…
  $70.71
  E
  eBay.com
  Free shipping
11. Saved
  Save to wishlist
  2
  ·
  1
  Basics Of Retaining Wall Design 11t…
  $49.00
  W
  Walmart
  Free shipping
12. Saved
  Save to wishlist
  3/8" Fiberglass Rods
  $27.23
  W
  Walmart
  Free shipping
13. Saved
  Save to wishlist
  8 X 18 Tan Clifton Straight Retainin…
  $7.73
  N
  Npcretro
14. Saved
  Save to wishlist
  6 X 18 Sienna Denver Straight Retai…
  $5.42
  N
  Npcretro
15. Saved
  Save to wishlist
  8 X 18 Sienna Clifton Straight Retai…
  $7.73
  N
  Npcretro
16. Saved
  Save to wishlist
  4.5
  ·
  16
  4.5
  16 ratings
  5-Section 54 in. Stackable Precast …
  $209.00
  H
  Home Depot
17. Saved
  Save to wishlist
  6 X 18 Autumn Blend Smooth Corby…
  $5.78
  N
  Npcretro
18. Saved
  Save to wishlist
  6 X 18 Charcoal Corbyn Corner Ret…
  $8.27
  N
  Npcretro
19. Saved
  Save to wishlist
  High Strength Retaining Wall Block …
  $20.00
  A
  Alibaba.com
  Free shipping
20. Saved
  Save to wishlist
  6 X 18 Tan Denver Straight Retainin…
  $5.42
  N
  Npcretro
21. Saved
  Save to wishlist
  4.5
  ·
  23
  4.5
  23 ratings
  Universal Retaining Wall Block Drai…
  $13.44
  H
  Home Depot
  Free shipping
22. Saved
  Save to wishlist
  Modern Yard 8-In H X 18-In L X 9-I…
  $13.98
  L
  Lowe's
23. Saved
  Save to wishlist
  5-1/2 X 18 Autumn Blend Lakewoo…
  $4.89
  N
  Npcretro
24. Saved
  Save to wishlist
  SALE
  4.4
  ·
  150
  4.4
  150 ratings
  Liquid Nails Landscape Block, Ston…
  $6.99
  $8.87
  W
  Walmart
25. Saved
  Save to wishlist
  1.8
  ·
  6
  1.8
  6 ratings
  Varden Retaining Wall Block - Light…
  $68.88
  L
  lrwqq
26. Saved
  Save to wishlist
  8 X 18 Quarry Gray Clifton Straight …
  $7.73
  N
  Npcretro
27. Saved
  Save to wishlist
  8 X 18 Quarry Gray Clifton Corner R…
  $11.83
  N
  Npcretro
28. Saved
  Save to wishlist
  6 X 18 Quarry Gray Denver Straigh…
  $5.42
  N
  Npcretro
29. Saved
  Save to wishlist
  SALE
  Regal Stone Pro Rock Face 8 in. H …
  $11.68
  $125.54
  H
  Home Depot
30. Saved
  Save to wishlist
  Concrete Mold Concrete Wall Ston…
  $202.58
  W
  Walmart
31. Saved
  Save to wishlist
  4.8
  ·
  18
  4.8
  18 ratings
  Mini Beltis 3 in. X 8 in. X 4 in. North…
  $1,199.00
  H
  Home Depot
  Free shipping
32. Saved
  Save to wishlist
  3.8
  ·
  18
  3.8
  18 ratings
  3 in. H X 10 in. W X 5.87 in. L Antiq…
  $949.00
  H
  Home Depot
  Free shipping
33. Saved
  Save to wishlist
  SALE
  3.8
  ·
  13
  3.8
  13 ratings
  Vidaxl Gabion Wall 236.2"X11.8"X7…
  $666.23
  $1,258.84
  W
  Walmart
  Free shipping
34. Saved
  Save to wishlist
  4.8
  ·
  46
  4.8
  46 ratings
  National True Non Rated Flat Ston…
  $208.95
  A
  Amazon.com
  Free shipping
35. Saved
  Save to wishlist
  Concrete Retaining Wall Block/Gaib…
  $1.10
  A
  Alibaba B2B
  Free shipping
36. Saved
  Save to wishlist
  Concrete Retaining Wall Block/Gaib…
  $1.10
  A
  Alibaba.com
Oops! We are sorry, something went wrong.
Continue your shopping by clicking on another product
Product added to your wishlist! View wishlist
Sign in to see your saved products on any device
Product removed from your wishlist! View wishlist
Sign in to see your saved products on any device
Something went wrong. Please try again later.
Product is added to compare already. Please refresh the page.
Product is not found in compare. Please refresh the page.
5 Products already added. Please delete existing selection to add this.
Sponsored
✕
Learn how your ads are chosen
amazon.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Amazon.com Services, Inc
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
vodaland-usa.com
Why you're seeing this ad?
Your current search
The birthdate you shared in your Microsoft account and your search history
Advertiser Details
Name: Vodaland USA LLC
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
acehardware.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Ace Hardware Corporation
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
globalindustrial.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Global Equipment Company, Inc.
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
lowes.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Lowe's Companies, Inc.
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
webstaurantstore.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Connexity Inc.
Location: United States
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
forwarddistributors.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: Forward Distributors
Location: United States
See more ads from this advertiser on Bing.
zhhgroupuae.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: 襄阳市黄淑商贸有限公司
Location: China
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
www.ebay.com
Why you're seeing this ad?
Your current search
Advertiser Details
Name: RedBrain Limited
Location: United Kingdom
Verified by Microsoft Advertising. See more ads from this advertiser on Bing. Learn more about the Microsoft Advertiser Identity Verification Program.
Ad settings
Vidaxl Gabion Basket - Welded …
$56.89

$67.99
$11.11 / 1 sqft
Amazon.com
4.0
·
40
2025-2026 Wall Calendar - Includ…
$3.98

$6.38
Amazon.com
4.5
·
285
Bi-Directional Geogrid For Retai…
$59.99

$71.99
Amazon.com
4.5
·
4
4" Fiber Reinforced Pre-Slope Concre…
$2,179.00
Vodaland USA
Easy ONE - 3 Inch Channel Black
$22.00
Vodaland USA
Kolorscape Brown Paver Base 0.5 C…
$11.99
Ace Hardware
LATICRETE 9235 Liquid Waterproofi…
$211.99
Amazon.com
4.5
·
51
Stack And Nest Storage Containe…
$62.40

$78.00
Global Industrial
Tritan, UCP206-18, Pillow Block Beari…
$44.95
Global Industrial
3.0
·
1
DIY Retaining Wall - Block Walls: Helpi…
$12.99
Amazon.com
4.0
·
61
Sakrete 18.0-In X 48.0-In Concrete …
$27.20
Lowe's
4.0
·
15
PC Products PC-Masonry Epoxy A…
$136.22

$145.78
$0.53 / 1 oz
Amazon.com
4.5
·
295
Wausau Tile 46" Round Concrete …
$456.99
WebstaurantStore
8 Pack Grill Brick & Griddle Stone Cle…
$15.99
$1.34 / 1 ct
Amazon.com
4.5
·
1K+
Joewuzun Tree Root Barrier 18in …
$73.99
Amazon.com
4.5
·
11
Evolve Stone National True No…
$176.99
Forward Distributors
4.5
·
3
Land Guard Corrugated Garde…
$26.99
$0.54 / 1 ft
Amazon.com
4.5
·
63
Wausau Tile 96" Concrete Wall Bar…
$1,389.00
WebstaurantStore
Pavestone Retaining Wall Bl…
$89.92

$178.94
Zhhgroupuae Stor…
Cambridge Retaining Wall Bl…
$3,200.00
eBay.com
Free shipping
- 18 - Retaining Wall Blocks - The Home Depot
  Sign Up
  https://www.homedepot.com
  SponsoredConcrete walks, stone pathways, retaining walls, and wooden decks. Save on all your landscaping needs at The Home Depot.
  1680 Stringtown Road, Grove City · 6.1 mi · (614) 539-4554
- Retaining Wall Geogrid | Geogrid Retaining Walls
  https://srwproducts.com
  Made In USA
  SponsoredOffering a Complete Line of Hardscape Solutions with Over 100 Products - Contact Us Now. Get the Leading SRW Hardscape Products You Trust - Find a Dealer Near You Now
  Brands: Pavermate Z3, Hexabase & Ultra Drive 3D, Rapid-Set Poly Adhesive
- Lowe's® In-Store Offerings | Visit Lowe's® Today & Save Big
  Save Now
  https://www.lowes.com › shop
  In-Store Pickup
  SponsoredConcrete Products - Visit Lowe's® Near You and Get Your Projects Started. Browse Variety Of Building Products at Lowe's®- Great Deals On Quality Products
  Site visitors: Over 1M in the past month
  My Lowe's Rewards · Lowest Price Guarantee
  - Find A Store Near You ·
  - Buy In-Store & Online ·
  - New Arrivals ·
  - Aluminum
- 1
- 2
- 3
- 4
- 5

Show Only

Brand

Price

Material

Seller

Shop 18 Inch Retaining Wall Blocks

18 - Retaining Wall Blocks - The Home Depot

Retaining Wall Geogrid | Geogrid Retaining Walls

Lowe's® In-Store Offerings | Visit Lowe's® Today & Save Big