Alternative Text Description for Coastal Building Zone (CBZ)

TABLE OF CONTENTS

MAP OVERVIEW

This map depicts the possible extent of Florida's Coastal Building Zone (CBZ), a regulatory area defined by Florida Statutes that governs construction activities along the state's coastline. The CBZ represents areas subject to specific building requirements due to coastal hazards and environmental sensitivity. The zone's boundaries vary depending on the presence of a Coastal Construction Control Line (CCCL) and whether the area is on the mainland or a coastal barrier island.

GEOGRAPHIC CONTEXT

The map covers the entire state of Florida, extending from the panhandle region near Pensacola in the northwest to Jacksonville in the northeast, and southward through the entire peninsula to Miami and the Florida Keys. Major labeled cities include Albany and Dothan to the north in neighboring states, Tallahassee and Valdosta in northern Florida, Jacksonville and Palm Coast on the Atlantic coast, Gainesville in north-central Florida, Tampa and St. Petersburg on the central Gulf coast, Orlando and Melbourne-Palm Bay in the central region, Lakeland inland, Cape Coral and Port St. Lucie on opposite coasts, West Palm Beach, Coral Springs, and Miami in the south. The map shows both the Gulf of America coastline on the west and the Atlantic Ocean coastline on the east, as well as the Straits of Florida to the south.

KEY INSIGHTS

The Coastal Building Zone follows Florida's entire coastline in a continuous irregular boundary that varies significantly in width along different coastal segments. The zone extends inland from the coast with substantial variation: some areas show narrow strips close to the shoreline while others, particularly around coastal barrier islands, show much wider regulatory zones. The boundary is most expansive around the Tampa Bay area, where it extends inland to encompass barrier islands and adjacent waters. In the panhandle region near Pensacola, the zone shows moderate inland extent. The entire Florida Keys chain in Monroe County is included within the CBZ. The zone encompasses all coastal barrier islands completely, while mainland coastal areas show more restricted inland penetration, reflecting the statutory criteria that differentiate between island and mainland delineation methods.

VISUAL ELEMENTS

Coastal Building Zone (CBZ)

The regulatory boundary defining areas subject to coastal construction requirements under Florida law.

Coastal Building Zone Boundary (black dashed line with thick outline)

Appearance:

A thick black dashed line forming an irregular boundary that follows Florida's coastline, creating an enclosed area along the entire coastal perimeter of the state.

Distribution:

The boundary extends continuously along the entire Florida coastline, from the panhandle region on the Gulf of America side, around the peninsula, along the Atlantic coast, and through the Florida Keys archipelago.

Notable locations:

Particularly wide zones are visible around Tampa Bay and St. Petersburg on the Gulf coast, encompassing extensive barrier island systems. The boundary extends to include the entire Florida Keys island chain in Monroe County. Around Jacksonville on the northeast coast, the zone shows moderate inland extent. The Miami and southeastern coastal areas show varying widths reflecting the mixture of mainland and barrier island geography.

Spatial patterns:

The zone width varies according to geographic context: wider around coastal barrier islands (up to 5,000 feet inland from CCCL or the entire island) and narrower along mainland coasts (1,500 feet landward from CCCL where it exists). The irregular, jagged appearance of the boundary reflects measurements taken perpendicular to the Coastal Construction Control Line or mean high water line. Islands and peninsulas create protrusions in the boundary, while bays and inlets create indentations.

SYMBOL GUIDE

ADDITIONAL INFORMATION

The Coastal Building Zone represents a regulatory area rather than a single physical feature, with boundaries determined by multiple criteria depending on local coastal characteristics. The delineation methodology differs between mainland areas and coastal barrier islands, and between areas with and without an established Coastal Construction Control Line. Coastal barrier islands were defined as geological features surrounded by marine waters fronting the Gulf of America or Atlantic Ocean, not separated from the mainland by artificial channelization. The zone includes all land within specified distances from the Mean High Water line or Coastal Construction Control Line, with measurements taken perpendicular to control lines. This map provides a comprehensive view of the entire CBZ extent statewide, useful for understanding the geographic scope of coastal construction regulations throughout Florida.

DATA CONTEXT

Data Source:

The data was created by the Florida Department of Environmental Protection (DEP) based on criteria specified in Florida Statutes sections 161.54 (Definitions) and 161.55 (Requirements for activities or construction within the coastal building zone). The delineation incorporates Mean High Water (MHW) lines, Coastal Construction Control Lines (CCCL), V-zone (velocity zone) boundaries, and measurements of specified distances perpendicular to these reference lines. For issues with this data, contact Jeohusua Lugo at Jeohusua.Lugo@FloridaDEP.gov. Data source layer name: CBZ_JUN21.

Definition Query:

No definition query or filter criteria was applied to this dataset.

Scale Information:

The map shows the entire state of Florida at a scale appropriate for statewide planning and regulatory overview, displaying the full extent of the CBZ along all coastal areas.

Coordinate System:

NAD_1983_HARN_Florida_GDL_Albers (WKID 3087).

Time Period of Content:

The dataset is dated June 2021 (CBZ_JUN21).

Limitations:

This polygon depicts the "possible extent" of the Coastal Building Zone, indicating the boundaries represent an interpretation of statutory requirements rather than surveyed legal boundaries. The criteria for delineation varies by location based on the presence or absence of CCCL designations and whether areas are classified as mainland or coastal barrier islands. Smaller islands attached to main islands were considered part of the coastal barrier island when delineating CBZ areas. Users should verify specific regulatory boundaries for individual projects with appropriate authorities.

Map Coverage:

The map covers the entire state of Florida and its coastal waters, including the panhandle region on the Gulf of America, the full Atlantic coastline, and the Florida Keys. Adjacent portions of Georgia and Alabama are visible for geographic context, with cities such as Albany, Dothan, and Valdosta labeled. The Straits of Florida are shown south of the Keys.

The alternative text description of this map was AI-generated and may contain inaccuracies.