Scuba Diving in Nanoose Bay: Every Shore Dive Site on the Peninsula

Posted by Morgan Carey

| Team Leader

Updated on August 6th, 2026

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Published in Nanoose Bay

Nanoose Bay has more well-known shore diving than any other stretch of comparable coastline on eastern Vancouver Island. Five sites along the Nanoose peninsula are dived regularly, ranging from sheltered training bays to vertical walls that drop to 90 feet within a short swim of the entry. The best known is Madrona Point, at the end of Madrona Drive, but the peninsula supports a full day of diving without moving more than a few kilometres.

This guide covers each site, what lives there, and when conditions are best. All of it is shore diving. Boat access is available through Schooner Cove and Beachcomber Marina, but none of these sites require it.

Why is Nanoose Bay good for shore diving?

The Nanoose peninsula is rock, not sand. Its shoreline drops away steeply into the Strait of Georgia, which means depth and structure are reachable from the beach rather than needing a boat. That geology is the entire reason the area works. Cold, nutrient-rich water supports dense invertebrate growth on the rock faces, and the same structure gives octopus and wolf eels the crevices they need for dens.

Nanoose Bay is an unincorporated community in Electoral Area E of the Regional District of Nanaimo, roughly 26 kilometres north of Nanaimo and 16 kilometres south of Parksville on Vancouver Island. Most divers come from Nanaimo or Victoria for the day.

What are the dive sites at Madrona Point?

Madrona Point has four named dives. Small Wall, Mid Wall and the Maze all bottom out around 60 feet, placing them within open water limits. Main Wall runs to roughly 90 feet and is generally treated as an advanced dive. The walls start close to shore, which is what makes the site work without a boat.

Giant Pacific octopus and wolf eels are the sightings divers come for, and both hold established dens along the walls. Lingcod and quillback rockfish patrol the structure, and the faces carry boot sponges, plumose anemones, swimming scallops and a wide range of nudibranchs.

Madrona Point sits at the end of a residential road. There is no parking lot, no washrooms and no signage, it is not a Regional District of Nanaimo park. Space at the road end is very limited and the surrounding properties are private homes. The full Madrona Point guide covers the site, its marine life and visitor expectations in detail.

Nanoose Bay dive sites compared

What other dive sites are on the Nanoose peninsula?

Tyee Cove is the peninsula's training site. Sheltered, gently sloping and forgiving, it is where instructors take students and where divers go when the wind makes the exposed sites unworkable. Shallow, with good invertebrate life close in.

Cottam Point is the one divers name when sea lions come up. Steller and California sea lions move through the waters off the Nanoose peninsula in the colder months, and Cottam Point is where encounters are most often reported. Rocky entry, exposed to wind.

Dolphin Beach sits on the north side of the peninsula below the Dolphin Drive neighbourhood, near Fairwinds. A pebble entry leading to rock and reef structure, popular for night dives.

Wall Beach is better known for swimming and paddling than diving, but the shoreline north of it carries structure worth exploring. It is the most family-friendly of the five and the easiest entry on the peninsula.

Is there boat diving in Nanoose Bay?

Yes, though it is not why divers come here. Boat access through Schooner Cove and Beachcomber Marina opens up the Ballenas-Winchelsea Archipelago offshore, including the waters around Gerald Island. For most visiting divers the shore sites are the draw, because they deliver wall diving without the cost and logistics of a charter.

When is the best time to dive Nanoose Bay?

Late fall through early spring. Visibility on this coast is governed by plankton, and the summer blooms that make the water productive also make it murky. Once the blooms die back in the colder months, visibility opens up substantially. The trade-off is water temperature, which is cold year-round here, drysuits are standard, not optional, on the Strait of Georgia.

The colder months are also when sea lions are around. For divers weighing summer warmth against winter clarity and wildlife, most regulars on this coast choose winter.

Do you need a drysuit to dive Nanoose Bay?

In practice, yes. The Strait of Georgia stays cold through the year, and the months with the best visibility are the coldest. Wetsuit divers do dive here in high summer, but anyone planning more than one dive in a day, or diving outside July and August, should expect a drysuit and the training that goes with it.

What should divers know before coming to Nanoose Bay?

None of these sites have facilities. No air fills, no washrooms, no rinse tanks, no supervision. The nearest dive shops are in Nanaimo and Parksville, and divers should arrive with tanks filled and a plan in place.

Several sites, Madrona Point in particular, are reached through residential neighbourhoods where parking is genuinely tight. Divers who gear up quietly, keep access clear and take everything out with them are the reason these sites remain welcoming. Entries are rocky and slippery; sturdy boots matter. Check conditions and tides before setting out, and note that the Nanoose peninsula sits near an active naval testing range, so pay attention to any posted marine notices.

What else is there to do in Nanoose Bay?

The same shoreline that makes the diving good makes for exceptional tide pooling at low water, and the peninsula has a dense network of parks and trails, Moorecroft, Beachcomber, Nanoose Hill and the trails around Enos Lake among them. See the guide to Nanoose Bay beaches, parks and trails for the full list, or the Nanoose Bay community guide if you are considering the area as somewhere to live.

Sources: Regional District of Nanaimo parks and trails.