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Marine Building 305 21st St 257 - 3,731 sq ft of Office Space Available in Galveston, TX 77550

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HIGHLIGHTS

  • Historical
  • Hard-wood floors
  • High Ceilings
  • Executive Suites

ALL AVAILABLE SPACES(7)

Display Rent as

  • SPACE
  • SIZE
  • TERM
  • RATE
  • USE
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 160
  • 1,466 sq ft
  • 3-5 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now

This office has carpet, but the carpet can be removed to expose beautiful slate floors. The window have wooden shutters and feature a unique shape. Even though this space is on the first floor, it sits four feet above street level.

  • Rate includes utilities, building services and property expenses
  • Fits 5 - 8 People
  • 1 Conference Room
  • Central Air and Heating
  • Fully Carpeted
  • Accent Lighting
  • Fully Fit-Out as Standard Office
  • 3 Private Offices
  • Space is in Excellent Condition
  • Kitchen
  • Natural Light
  • Wheelchair Accessible
  • 2nd Floor, Ste 221
  • 398 sq ft
  • 1-3 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now
  • Rate includes utilities, building services and property expenses
  • Fits 1 - 4 People
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • High Ceilings
  • After Hours HVAC Available
  • Accent Lighting
  • Professional Lease
  • Fully Fit-Out as Standard Office
  • 1 Private Office
  • 1 Workstation
  • Central Air and Heating
  • Natural Light
  • Emergency Lighting
  • Wooden Floors
  • Wheelchair Accessible
  • 2nd Floor, Ste 225
  • 312 sq ft
  • 1-3 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now

Single room, executive suite with access to furnished waiting area, three conference rooms, and kitchen facility.

  • Rate includes utilities, building services and property expenses
  • Fits 1 - 2 People
  • 3 Conference Rooms
  • Central Air and Heating
  • High Ceilings
  • Emergency Lighting
  • Fully Fit-Out as Standard Office
  • 1 Private Office
  • Space is in Excellent Condition
  • Kitchen
  • After Hours HVAC Available
  • Wooden Floors
  • 2nd Floor, Ste 226
  • 304 sq ft
  • 1-3 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now
  • Rate includes utilities, building services and property expenses
  • Fits 1 - 2 People
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Kitchen
  • Secure Storage
  • Accent Lighting
  • Wheelchair Accessible
  • Fully Fit-Out as Standard Office
  • 1 Private Office
  • 1 Workstation
  • Central Air and Heating
  • High Ceilings
  • Emergency Lighting
  • Wooden Floors
  • 2nd Floor, Ste 227
  • 733 sq ft
  • 1-5 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now

This office features two separate rooms. It has beautiful hard-wood floors along with towering ceilings and windows.

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 6 People
  • 3 Conference Rooms
  • Central Air and Heating
  • High Ceilings
  • Accent Lighting
  • Fully Fit-Out as Standard Office
  • 2 Private Offices
  • Space is in Excellent Condition
  • Kitchen
  • Natural Light
  • Wooden Floors
  • 2nd Floor, Ste 251
  • 257 sq ft
  • 1-3 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now

Executive Suite with towering windows, hard-wood floors, shared conference rooms, kitchen and furnished waiting areas.

  • Rate includes utilities, building services and property expenses
  • Fits 1 Person
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Central Air and Heating
  • Recessed Lighting
  • After Hours HVAC Available
  • Accent Lighting
  • Professional Lease
  • Wheelchair Accessible
  • Fully Fit-Out as Standard Office
  • 1 Private Office
  • 1 Workstation
  • Plug & Play
  • High Ceilings
  • Natural Light
  • Emergency Lighting
  • Wooden Floors
  • Smoke Detector
  • 2nd Floor, Ste 254
  • 261 sq ft
  • 1-3 Years
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Full Fit-Out
  • Now

Executive Suite with towering windows, hard-wood floors, shared conference rooms, kitchen and furnished waiting areas.

  • Rate includes utilities, building services and property expenses
  • Fits 1 Person
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Central Air and Heating
  • Natural Light
  • Emergency Lighting
  • Wooden Floors
  • Smoke Detector
  • Fully Fit-Out as Standard Office
  • 1 Private Office
  • 1 Workstation
  • Plug & Play
  • High Ceilings
  • After Hours HVAC Available
  • Accent Lighting
  • Professional Lease
  • Wheelchair Accessible
Space Size Term Rate Space Use Condition Available
1st Floor, Ste 160 1,466 sq ft 3-5 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now
2nd Floor, Ste 221 398 sq ft 1-3 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now
2nd Floor, Ste 225 312 sq ft 1-3 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now
2nd Floor, Ste 226 304 sq ft 1-3 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now
2nd Floor, Ste 227 733 sq ft 1-5 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now
2nd Floor, Ste 251 257 sq ft 1-3 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now
2nd Floor, Ste 254 261 sq ft 1-3 Years Upon Application Upon Application Upon Application Upon Application Office Full Fit-Out Now

1st Floor, Ste 160

Size
1,466 sq ft
Term
3-5 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

2nd Floor, Ste 221

Size
398 sq ft
Term
1-3 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

2nd Floor, Ste 225

Size
312 sq ft
Term
1-3 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

2nd Floor, Ste 226

Size
304 sq ft
Term
1-3 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

2nd Floor, Ste 227

Size
733 sq ft
Term
1-5 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

2nd Floor, Ste 251

Size
257 sq ft
Term
1-3 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

2nd Floor, Ste 254

Size
261 sq ft
Term
1-3 Years
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Condition
Full Fit-Out
Available
Now

1st Floor, Ste 160

Size 1,466 sq ft
Term 3-5 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

This office has carpet, but the carpet can be removed to expose beautiful slate floors. The window have wooden shutters and feature a unique shape. Even though this space is on the first floor, it sits four feet above street level.

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 5 - 8 People
  • 3 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • Central Air and Heating
  • Kitchen
  • Fully Carpeted
  • Natural Light
  • Accent Lighting
  • Wheelchair Accessible

2nd Floor, Ste 221

Size 398 sq ft
Term 1-3 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 1 - 4 People
  • 1 Private Office
  • 3 Conference Rooms
  • 1 Workstation
  • Space is in Excellent Condition
  • Central Air and Heating
  • High Ceilings
  • Natural Light
  • After Hours HVAC Available
  • Emergency Lighting
  • Accent Lighting
  • Wooden Floors
  • Professional Lease
  • Wheelchair Accessible

2nd Floor, Ste 225

Size 312 sq ft
Term 1-3 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

Single room, executive suite with access to furnished waiting area, three conference rooms, and kitchen facility.

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 1 - 2 People
  • 1 Private Office
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Central Air and Heating
  • Kitchen
  • High Ceilings
  • After Hours HVAC Available
  • Emergency Lighting
  • Wooden Floors

2nd Floor, Ste 226

Size 304 sq ft
Term 1-3 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 1 - 2 People
  • 1 Private Office
  • 3 Conference Rooms
  • 1 Workstation
  • Space is in Excellent Condition
  • Central Air and Heating
  • Kitchen
  • High Ceilings
  • Secure Storage
  • Emergency Lighting
  • Accent Lighting
  • Wooden Floors
  • Wheelchair Accessible

2nd Floor, Ste 227

Size 733 sq ft
Term 1-5 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

This office features two separate rooms. It has beautiful hard-wood floors along with towering ceilings and windows.

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 2 - 6 People
  • 2 Private Offices
  • 3 Conference Rooms
  • Space is in Excellent Condition
  • Central Air and Heating
  • Kitchen
  • High Ceilings
  • Natural Light
  • Accent Lighting
  • Wooden Floors

2nd Floor, Ste 251

Size 257 sq ft
Term 1-3 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

Executive Suite with towering windows, hard-wood floors, shared conference rooms, kitchen and furnished waiting areas.

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 1 Person
  • 1 Private Office
  • 3 Conference Rooms
  • 1 Workstation
  • Space is in Excellent Condition
  • Plug & Play
  • Central Air and Heating
  • High Ceilings
  • Recessed Lighting
  • Natural Light
  • After Hours HVAC Available
  • Emergency Lighting
  • Accent Lighting
  • Wooden Floors
  • Professional Lease
  • Smoke Detector
  • Wheelchair Accessible

2nd Floor, Ste 254

Size 261 sq ft
Term 1-3 Years
Rate Upon Application
Space Use Office
Condition Full Fit-Out
Available Now

Executive Suite with towering windows, hard-wood floors, shared conference rooms, kitchen and furnished waiting areas.

  • Rate includes utilities, building services and property expenses
  • Fully Fit-Out as Standard Office
  • Fits 1 Person
  • 1 Private Office
  • 3 Conference Rooms
  • 1 Workstation
  • Space is in Excellent Condition
  • Plug & Play
  • Central Air and Heating
  • High Ceilings
  • Natural Light
  • After Hours HVAC Available
  • Emergency Lighting
  • Accent Lighting
  • Wooden Floors
  • Professional Lease
  • Smoke Detector
  • Wheelchair Accessible

PROPERTY OVERVIEW

The Marine building was built in 1875. In 2015, the roof, HVAC Units, HVAC duct work, ceilings and lighting were replaced. The building features slate floors on the first floor and hardwood floors throughout the second floor. The building contains large office suites on the first floor along with three executive suites that share a conference room and coffee bar. The second floor contains 21 executive suites with a common reception area, waiting areas, along with access to three shared conference rooms and a shared kitchen. Utilities, night cleaning and trash removal are included. This building is located on the corner of 21st and Mechanic Streets in the historic downtown district. A parking garage and surface lot are adjacent to the building.

  • 24 Hour Access
  • Controlled Access
  • Courtyard
  • Signage
  • Air Conditioning
  • Fiber Optic Internet

PROPERTY FACTS

Property Type
Office
Year Built/Renovated
1875/2015
Number of Floors
2
Property Size
16,382 sq ft
Costar Property Class
B
Typical Floor Size
8,191 sq ft
Parking
525 Covered Parking Spaces at £59/month

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 1st
  • Burns Architectural Firm
  • Professional, Scientific, and Technical Services
  • 1st
  • CURevl
  • Finance and Insurance
  • 1st
  • Edward Jones
  • Finance and Insurance
  • 1st
  • MLSBC Cruises
  • Transportation and Warehousing
  • 2nd
  • Texas Senator Mayes Middleton
  • Public Administration
Walk Score®
Easily Walkable (81)
Bike Score®
Good for cycling (74)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures how walkable a location is.
Transit Score® measures access to public transport.
Bike Score® measures how accessible a location is by bike
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures how walkable
a location is. Transit Score®
measures access to public transport. Bike Score®
measures how accessible a location is by bike®
  • Listing ID: 4217814

  • Date on Market: 23/07/2025

  • Last Updated:

  • Address: 305 21st St, Galveston, TX 77550

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