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Bulk Mailbox Discounts
SKU: WL-5811-BBM  |  View All Rockport Double Arm Mailbox Package

Rockport Double Mailbox Post Black

(View all from Mayne Post)
Rockport Double Mailbox Post Black
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& Free Shipping!
List Price:
You Save:

$60.01 (20%)

Volume Discount Pricing
2 - 5$228.50
6+ $217.67
Mailboxes, mounting kits and 4x4 post inserts are NOT included.

Post Requires Reinforced Installation
to support mailboxes over 10 lbs.


Select Option

Mailbox Color

No-Dig Ground Screw

Solar Cap

Address Plaques for Newspaper Holder (holds up to 5 characters)

Newspaper Holder Plaque Text (if applicable)

Address Plaques for Vertical Section of Post (holds up to 14 characters)

Plaque Color

Vertical Post Plaque Text (if applicable)

According to manufacturer:
Usually ships in 3 to 5 Business Days
Note: Products ship directly from the manufacturer, Mayne Post

Rockport Double Mailbox Post Black

  • Mayne Rockport Double Mailbox Post in Black
  • Waterproof, rustproof
  • Features the beauty of New England style craftsmanship
  • Provides side-by-side dual access on a single post
  • Constructed of polyethylene
  • Built-in UV protection
  • Comes with newspaper holder
  • Withstands harshest weather conditions
  • Fits a medium mailbox weighing less than 8 lbs with a girth of approximately 6-1/2 inches
  • Installs easily over a standard 4 x 4 wooden post
  • Overall dimensions: 18" x 23" x 56"
  • Available in Black, White, Clay and Granite
  • Backed by a 15-year limited warranty
  • Optional No Dig Ground Screw for easy and convenient installation of the 4 x 4 mailbox post in the ground. This 27-inch tool will support and reduce the ground exposure of your mailbox post for long-lasting use.
  • View all excellent quality and decorative Mayne Mailboxes and Posts

For Your Reference:

OUR SKU is 5811-B

This item is also sometimes listed under the following manufacturer numbers:
WL-5811-BBM, 5811-B, HFWMP-B, 5811BK

Dimensions & Weight
Ship Weight:
Rockport Double Mailbox Post Black
23in. W x 56H x 26in. D
21.00 lbs
Post (Mailbox not Included)
General Category:
Residential Mailbox
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Have a question about this product?
Frequently Asked Questions
Question: How much for the total mailbox with all accessories? Do you have mailbox house numbers for this setup?
Answer: With all options included the cost will be 678.96. We have many house number options. You can call for assistance or look in the numbers and plaques section.

Rockport Double Mailbox Post Black
Shipping Information:

Shipping Estimate:

Usually ships in 3 to 5 Business Days

Stock Status:

In Stock

Ships to:


Ship Method:

FedEx/UPS (Learn More)

Wall Mount Mailboxes Locking Mailboxes Commercial Residential