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What Are You Allowed to Build at 1 Knights Key Blvd, Marathon, FL, 33050?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

In Home Apartment

(Conversion or Addition)

Probably Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 536,176 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 451,653 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 1 Knights Key Blvd, Marathon, FL, 33050

Zoning Jurisdiction

MARATHON

Parcel ID

00101800000000

Property Type

Other

Zone

MU

Year Built

2019

Lot Size

878,976 sq ft

Gross Building Area

39,045 sq ft

Gross Floor Area

84,523 sq ft

Estimated

Living Area

84,523 sq ft

Basement Area

0 sq ft

Impervious Surface

84,523 sq ft

Estimated
9.6%of lot coverage

ADU rules for Marathon, FL

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 1 Knights Key Blvd, Marathon, FL, 33050?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

In Home Apartment

(Conversion or Addition)

Probably Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 536,176 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 451,653 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 1 Knights Key Blvd, Marathon, FL, 33050

Zoning Jurisdiction

MARATHON

Parcel ID

00101800000000

Property Type

Other

Zone

MU

Year Built

2019

Lot Size

878,976 sq ft

Gross Building Area

39,045 sq ft

Gross Floor Area

84,523 sq ft

Estimated

Living Area

84,523 sq ft

Basement Area

0 sq ft

Impervious Surface

84,523 sq ft

Estimated
9.6%of lot coverage

ADU rules for Marathon, FL

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.