Emerald

New Jersey, United States

Depth

25m

Visibility

- - -

Entry

Boat

Experience Level

Experienced

Emerald

New Jersey, United States

Depth

25m

Visibility

- - -

Entry

Boat

Experience Level

Experienced

About Emerald

The wreck known as the '�Emerald'� is probably the wreck of the Hibiscus, a wood-hulled twin-screw steamer which was built in 1864. She was commissioned into the US Navy at that time, was used during the Civil War, and was then decommissioned in 1866 and later renamed Francis Wright. Later, after being renamed back to Hibiscus, she sank just off the New Jersey coast after breaking a propeller shaft. Nothing has been found to actually name the vessel although the discovery of artifacts dating from 1872, as well as the presence of the US Navy emblem on some items, seems to indicate that the Emerald is the same ship as the Hibiscus. The size of the Emerald also corresponds to that of the Hibiscus, and today one can find twin engines (with some of one of the propeller shafts missing) onboard the wreck which seems point towards the Emerald and the Hibiscus being one and the same.

Emerald Dive Info

Terrain & Features

Wreck

Entry Type

Boat

Max Depth

25m

Visibility Range

— – —

Experience Level

Experienced

Best Gas Mix

21% – 40%

O₂

CNS Load (35 min)

16% at 23m / 36%

O₂

Multi-Level Dive Planner

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Marine Life

Various

Weather Conditions

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Dive Operators near Emerald

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Location

Location details missing.

Dive Site Hazards

Deceptive Entry Openings — Openings may become restrictive inside due to angle, collapse, or corrosion.
Surge-Induced Internal Silt Shift — Internal surge can move silt and debris without direct contact.
Partial Overhead Environment — Many wrecks limit direct ascent even without full penetration.

Fine Rust Particle Silt-Out — Disturbed rust particles can rapidly reduce visibility.

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