Moreton Bay is roughly a hundred kilometres of sheltered water twenty minutes from a Brisbane suburb. The berth you choose decides how much of it you see.
Moreton Bay runs roughly a hundred kilometres north to south, screened from the Pacific by Moreton Island and North Stradbroke. On a chart that reads as an enormous protected playground, and on the right day it is exactly that.
The detail the chart understates is depth. Much of the bay is under ten metres, and a good deal of it is a great deal less. Shallow water and wind do not combine the way deep water and wind do: put twenty knots of south-easterly against a running tide over the banks and the bay produces a short, steep, closely spaced chop that will slow a big boat down and rearrange the galley. It is not dangerous water. It is water that punishes an optimistic plan.
The corollary is that Moreton Bay rewards early starts and shore-hugging routes far more than it rewards horsepower.
BSA has boats at East Coast Marina, in Manly Boat Harbour on the bay's western shore, and at Brisbane. They are not the same proposition, and the difference is time rather than quality.
From Manly you are in open bay water within minutes of clearing the harbour entrance, and the marina is around twenty minutes' drive from central Brisbane. From a Brisbane River berth you have the river run first: downstream past the port, under the Gateway, sharing the water with ferries, tugs and commercial shipping, at speeds the river's limits set rather than the ones your boat is capable of. Call it the better part of an hour each way before you reach the bay.
On a planned five-day booking that hour is irrelevant. On a spontaneous Sunday it is the whole decision, and it is worth being honest about which kind of owner you are before you choose. This is the same reasoning that should drive the marina choice anywhere in the fleet: the berth determines how often the boat gets used, and the boat determines what those days feel like.
You could spend years exploring the bay, but four places account for most of what owners actually do with it.
Whichever one you pick, the shape of the day is the same: cross early. The south-easterly builds through the middle of the day, so the run out is nearly always kinder than the run home, and starting late means paying for it twice. It is also worth remembering that shipping bound for the Port of Brisbane transits the bay in marked channels. Those are large vessels in constrained water, they are not manoeuvring around you, and crossing well ahead or well astern rather than cutting the corner is simply how it is done here.
Moreton Bay is a marine park, and the zoning is not decorative. Green zones prohibit fishing and collecting outright. Go-slow areas over the seagrass banks require vessels to stay off the plane, because the bay carries a significant dugong and turtle population that feeds in exactly the shallow water people like to cut across. Both are mapped, and the map is something to look at before you fish or before you take a short cut, not afterwards.
Humpback whales pass through and around the bay from roughly June to early November. In Queensland waters you keep at least 100 metres away, and 300 metres if a calf is present. Whales are not obliged to observe the same distance, so if one surfaces near you the correct response is neutral gears and patience.
It is not the Whitsundays, and expecting it to be is how people end up disappointed by a genuinely good cruising ground. Much of the western bay is green-brown for much of the year, more so after rain in the catchments feeding into it. The clear water is on the eastern side, under the islands, and you have to cross the bay to get it.
What it is instead is enormous, sheltered, and twenty minutes from a suburb of a capital city. That combination is rare and it is worth more over a year than any single spectacular anchorage, because it produces ordinary Sundays rather than annual pilgrimages.
One honest caveat about the ownership model rather than the water: syndication rewards people who plan a season. Days are allocated in four-month cycles from preferences you rank in advance, and while owners swap days with each other in the app constantly, the underlying calendar is set months ahead. If your boating happens mainly because you woke up and the forecast looked good, that structure will feel like friction no matter how good the bay is.
About twenty nautical miles across the bay. In settled weather that is a comfortable morning run. In a fresh south-easterly, the shallow bay throws up a short, steep chop that makes the crossing considerably slower and wetter than the distance on the chart suggests.
Part of Moreton Bay Marine Park where vessels must stay off the plane, to protect dugongs and turtles feeding on the seagrass banks. Green zones, where fishing and collecting are prohibited, are a separate thing. Check the zoning maps before you go.
Not worse, but slower. A river berth adds the better part of an hour each way, past the port and under speed limits, before you reach open water. A bay berth at Manly puts you in usable water within minutes of leaving.