Quantico Base is a census-designated place located on military land that is primarily used by the United States Marine Corps. The purchase of property within Quantico Base can have unique advantages and disadvantages.

Advantages:
1. Security: The town is situated within a military base which is generally considered to be a secure environment.
2. Amenities: The town provides easy access to recreational facilities such as parks and golf courses.
3. Job Opportunities: The military presence in the area means that there may be additional job opportunities available, especially for those with experience in the military or defense industries.
4. Education: The military base supports a variety of education opportunities including schools for children and continuing education for adult learners.

Disadvantages:
1. Regulations: There may be restrictions on what can be done with property in the area due to military regulations.
2. Noise: Frequent military drills and training exercises can create noise pollution and disturbance for residents.
3. Limited Housing Supply: As the land is heavily restricted to military operations, the supply of available housing will be limited which may create competition among buyers and higher prices for available properties.
4. Remote Location: Quantico Base is located 35 miles south of Washington, D.C. in a more rural area which can be a disadvantage for those seeking urban amenities and lifestyle.