Post Office Rock

Type:

Scuba Diving

Entry:Unknown

Difficulty:Beginner

Tags:

Kelp ForestReef

About This Dive Spot

A near-coastal rocky reef covered in colourful kelp, sloping gently down to a sandy bottom. The site reaches around 25 m at its deepest. Marine life includes abundant reef fish and occasional seven gill sharks, with sightings of wrasses, marblefish, tarakihi, dogharks, butterfly perch, pufferfish, and octopus.

Planning details

Reported depth and seasonality.

Reported depth

Up to 25m

Depth note

Gently sloping reef to a sandy floor at about 25 m maximum.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Dangerous wildlife

Safety notes

Occasional shark encounters are possible; dive within your training and comfort limits.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

A gently sloping profile down to about 25 m suits general reef diving.

Dive Spot Log Averages

Average conditions based on logged dives & visits

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Dive Conditions Planner

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Spots Near Post Office Rock

📍 1.4 km

Fox Cove

Not Set

This outer-fiord site has a rocky reef that slopes down to a sandy bottom, with maximum depth around 20 m depending on where you dive within the cove. It offers scenic views toward the northern outer coastline. Marine life includes colourful kelp and a variety of coastal fish species.

📍 1.8 km

Greenstone Point

Not Set

Greenstone Point is a wall dive on the southern side of the entrance to Milford Sound. It supports deep and technical dive profiles, with dives extending down to about 90 m. The site features black coral trees, red coral tucked into cracks and overhangs, and walls covered in yellow zoanthids.

📍 1.9 km

Greenstone Beach

🏖️

Greenstone Beach is a rocky coastal dive featuring a sloping reef that begins around 5 m and drops away at roughly a 45° angle. Large boulders are scattered along the shoreline, with patches of kelp and small black coral present. Marine life commonly includes octopus, wrasse, perch, nudibranchs, marblefish, and eels, with possible encounters with school sharks and dogsharks.

📍 2.4 km

Dale Green

🏖️

Dale Green is a varied reef site with steep wall sections close to shore. The walls drop quickly to around 80 m, with overhangs that hold red coral colonies. The site is known for large black coral trees with abundant fish life around them, along with sightings of sharks and rays. Marine life also includes octopus, wrasses, butterfly perch, marblefish, nudibranchs, and yellow zoanthids.

📍 3.6 km

Dale Point

Not Set

This marine reserve site features a wall dive with steep drop-offs alongside sections of reef. The underwater scenery includes abundant large black coral and yellow zoanthids, with varied fish life. Divers may also encounter invertebrates such as nudibranchs and octopus, along with rays, sharks, and eels.

📍 4.2 km

Penguin Cove

Not Set

A marine reserve dive that begins on a shallow shelf before transitioning into a rocky reef that drops away at a steep angle into deeper water. The points on either side of the cove form steep wall-style dives. The site is known for prominent black coral trees and varied reef life including kelp and colorful encrusting growth.

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Frequently Asked Questions

What's the best entry point at Post Office Rock?

Entry at Post Office Rock is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Post Office Rock?

Optimal conditions at Post Office Rock depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Post Office Rock?

Depth and visibility information for Post Office Rock can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Post Office Rock?

When diving Post Office Rock, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.