Maritime boundary downloads

What marine boundaries are

There are several types of maritime boundary that apply to New Zealand and its off shore islands and territories. These boundaries define the area where New Zealand has sovereign rights and obligations under maritime law. Find out more about these definitions below.

You can download data on these boundaries below.

Definitions of these boundaries are also available on our website .

Acknowledgement notes

Where maritime boundaries or outer limits are downloaded, reproduced, derived or copied from LINZ material, the following acknowledgement note should be shown on any product or associated media:

"Sourced from Land Information New Zealand data. Crown Copyright Reserved."

NZ territorial sea limits by island group

• New Zealand Territorial Seas
• New Zealand Contiguous Zone
• New Zealand Exclusive Economic Zone
• Australia/NZ Negotiated Boundaries
• Chatham Island
• Auckland Island
• Antipodes Island
• Bounty Island
• Campbell Island / Motu Ihupuku
• Three Kings Island
• Raoul Island
• Macauley Island
• Curtis-Cheesman Island
• Esperance Rock
• Snares Islands / Tini Heke

Downloadable files

All shape files are in terms of the WGS 84 datum.

New Zealand Territorial Seas

Includes all islands within 12 miles of the coast of the North Island, includes North, South, Solander, Stewart, White and Volkner Islands but excludes Three Kings Islands.

Including:

• 12 Mile Limit basepoints for New Zealand
• 12 Mile Territorial Sea Outer Limit for New Zealand

New Zealand Contiguous Zone

Including:

• 24 Mile CZ Outer Limits
• 24 Mile CZ Basepoints

New Zealand Exclusive Economic Zone

Including:

• 200 Mile EEZ Outer Limits

Australia/NZ Negotiated Boundaries

Including:

• NZ/Norfolk Island negotiated boundary
• NZ/Macquarie Island negotiated boundary

Chatham Island

Including:

• 12 Mile Limit basepoints for Chatham Island
• 12 Mile Territorial Sea Outer Limit for Chatham Island

Auckland Island

Including:

• 12 Mile Limit basepoints for Auckland Island
• 12 Mile Territorial Sea Outer Limit for Auckland Island

Antipodes Island

Including:

• 12 Mile Limit basepoints for Antipodes Island
• 12 Mile Territorial Sea Outer Limit for Antipodes Island

Bounty Island

Including:

• 12 Mile Limit basepoints for Bounty Island
• 12 Mile Territorial Sea Outer Limit for Bounty Island

Campbell Island / Motu Ihupuku

Including:

• 12 Mile Limit basepoints for Campbell Island / Motu Ihupuku
• 12 Mile Territorial Sea Outer Limit for Campbell Island / Motu Ihupuku

Three Kings Island

Including:

• 12 Mile Limit basepoints for Three Kings Island
• 12 Mile Territorial Sea Outer Limit for Three Kings Island

Raoul Island

Including:

• 12 Mile Limit basepoints for Raoul Island
• 12 Mile Territorial Sea Outer Limit for Raoul Island

Macauley Island

Including:

• 12 Mile Limit basepoints for Macauley Island
• 12 Mile Territorial Sea Outer Limit for Macauley Island

Curtis-Cheesman Island

• 12 Mile Limit basepoints for Curtis-Cheesman Island
• 12 Mile Territorial Sea Outer Limit for Curtis-Cheesman Island

Esperance Rock

Including:

• 12 Mile Limit basepoints for Esperance Rock
• 12 Mile Territorial Sea Outer Limit for Esperance Rock

Snares Islands / Tini Heke

Including:

• 12 Mile Limit basepoints for Snares Islands / Tini Heke
• 12 Mile Territorial Sea Outer Limit for Snares Islands / Tini Heke