The marine park covers an area of 110,126 km2 (42,520 sq mi), encompassing the smaller Lord Howe Island Marine Park, and is assigned IUCN category IV.

[3] The management plan and protection measures of the marine park came into effect for the first time on 1 July 2018.

[3] The Lord Howe Marine Park has been assigned IUCN protected area category IV.

However, within the marine park there are five protection zones, each zone has an IUCN category and related rules for managing activities to ensure the protection of marine habitats and species.

[3] The following table is a summary of the zoning rules within the Lord Howe Marine Park:[3]