Site: Markley: One Summer Street

Company: Markley Group
Metro: Boston
State: Massachusetts
Country: United States
Region: North America
Region: Americas
Region: World
Total Building SqFt: 920,000
Gross SqFt: 800,000
Usable SqFt: 150,000
Total Power: 30.0 Megawatts
Ownership: Markley Group owns the building.

Markley's One Summer Street is Boston's carrier hotel. The building is the largest multi-tenant telecommunications facility in New England. Home to over 90 different carriers and network providers, One Summer offers clients unlimited bandwidth, high-density connectivity, unsurpassed infrastructure, abundant and reliable power, and true network diversity


  • 15’ clear ceiling heights capable of accommodating both raised floor and overhead distribution in the same installation.
  • 150 lbs. per sq. ft. floor load capacity
  • 6 fiber entrances
  • 2 high capacity, oversized freight elevators.
  • Floor plate size: 110,000 SqFt

Map and Nearby Locations:

1 Summer Street, Boston, MA 02110

SITES within 15 miles of Markley: One Summer Street

Show SqM

Distance Site name SqFt MW
0.00 miles Level3 Boston
0.04 miles XO Boston One Summer
0.04 miles DataBank BOS1 8,090 0.50
0.04 miles Lightower Boston One Summer
1.38 miles Level3 Boston (1 Main)
1.66 miles Level3 Boston (300 Bent) 40,000
1.77 miles XO Cambridge 89 Fulkerson
1.84 miles AXCELX Somerville
1.84 miles CoreSite Somerville BO1 133,646
1.84 miles Internap Boston 71,062 5.00

One Summer Street Entrance
Colocation Room Inside One Summer
Source: Gary Wong
Boston Metro: Average Power Rates
Posted in Boston
Source: JLL

November 2015

Commscope case study for One Summer Street

June 2018

An overview of One Summer Street's copper infrastructure for power delivery. Date unknown.