Bulkheads on the water in Mystic Island

Mystic Island sits in Little Egg Harbor Township — a large lagoon community in Little Egg Harbor Township.

The waterfront here. Predominantly single-storey homes on filled ground, a bulkhead and often a dock on nearly every canal lot.

The water. A dense grid of canals running back from Great Bay, one of the most tidally exposed mainland neighbourhoods on the bay.

Mystic Island is one of the largest and most tidally exposed lagoon communities on the mainland, a dense grid of canals cut back from Great Bay with a bulkhead on nearly every lot. A developer called Lagoon Parks carved it out of a cluster of seven mostly-marsh islands from 1959 onward, and the original cottages were modest — commonly around 900 to 1,000 square feet on about fifty feet of water frontage — which is why the lots are narrow and the houses sit so close together. Because the buildable land is fill and the canals connect straight to a large open bay, the water table behind these walls is effectively an extension of Great Bay — it rises on the tide and, during a coastal event, surge reaches deep into the grid rather than stopping at a waterfront row. The walls fail the lagoon way, through age and corrosion, but the strong tidal connection means backfill loss and toe undermining happen faster on the streets nearest the open bay. The community's scale makes it one of the busiest bulkhead markets in the south of the county, with a large stock of original timber wall now at end of life.

Working here. Narrow lots on a grid of canals; access is almost always from the street, with neighbouring houses close.

Around Mystic Island. The work comes from the grid of numbered canals off Radio Road; the streets running back from Great Bay Boulevard; the sections nearest the open water of Great Bay versus the interior canals; the Twin Lakes edge of the community.

On cost here. Access is the recurring cost driver: lots are narrow, houses sit close together, and there is rarely room to bring equipment down the side, so almost everything stages from the street or a barge. Streets nearest Great Bay can need a heavier spec than the sheltered interior canals.

Mystic Island's canal grid connects straight to open Great Bay, so a wall three streets back can be as tidally worked as one on the outer edge, and surge can reach deep into the grid during a storm.

Its scale and its high stock of original dredge-and-fill timber walls make it one of the busiest, most replacement-ready bulkhead markets in the south of the county.

Permits run through the Little Egg Harbor Township construction office, and full replacement on these tidal canals normally requires NJDEP waterfront development approval and tidelands documentation, sometimes alongside flood-zone requirements given how low the community sits.