Pontoon berths for boats over 20m in Dorset

Walk-ashore berth alongside a floating pontoon, usually in a marina. Marinas and harbours that say they take boats over 20m (65ft): a stated maximum length, or a published price for a boat that size. Canal sites that only take narrowboats are left out; see 70ft narrowboat moorings for those.

4 sites · 1 with a waiting list · typical £23,020 a year for a 20m boat (£8,760–£27,480 across 3 published tariffs)

At a glance

4 sites: 2 on estuaries and tidal rivers and 2 on the open coast.
None has told us in the last six weeks that it has space.
Keeping a waiting list: Salterns Marina.
For a 20m boat, published prices run from £8,760 a year (Weymouth Harbour) to £27,480 a year (Cobb's Quay Marina); the middle of 3 is £23,020 a year.
Longest boat taken: 25m (82ft) at Salterns Marina.
Of the 4, 3 have electric hook-up, 2 diesel, 2 a boat hoist and 3 visitor berths.

Estuaries & tidal rivers Waiting list

Salterns Marina

Poole, Dorset · Poole Harbour

Prices not published

Seen on their website 8 days ago

Estuaries & tidal rivers

Cobb's Quay Marina

Poole, Dorset · Poole Harbour

£11,454 a year for a 10m yacht

Coast & harbours

Port of Poole Marina

Poole, Dorset · Poole Harbour

£11,510 a year for a 10m yacht

Coast & harbours

Weymouth Harbour

Weymouth, Dorset · Weymouth Harbour

£4,380 a year for a 10m yacht

Compared: prices for a 20m boat

Site	Where	A year, 20m boat	Berths	Longest boat	Widest beam	Deepest draught	Space
Salterns Marina	Poole, Poole Harbour	–	pontoon berths, swinging moorings	25m (82ft)	–	–	Waiting list
Cobb's Quay Marina	Poole, Poole Harbour	£27,480	pontoon berths	25m (82ft)	–	–	Not reported
Port of Poole Marina	Poole, Poole Harbour	£23,020	pontoon berths	20m (66ft)	–	–	Not reported
Weymouth Harbour	Weymouth, Weymouth Harbour	£8,760	pontoon berths	20m (66ft)	–	–	Not reported

From each site's published tariff. "–" means the site doesn't say. Prices change; confirm with the site.

Questions

How much does a mooring for a 20m boat cost in Dorset?

Across the 3 pontoon berths for boats over 20m here that publish a price, a 20m boat costs from £8,760 a year at Weymouth Harbour to £27,480 a year at Cobb's Quay Marina. The middle figure is £23,020 a year. Check what each includes: electricity, water and VAT vary.

What are the cheapest pontoon berths for boats over 20m in Dorset?

For a 20m boat, Weymouth Harbour is cheapest at £8,760 a year.

Which pontoon berths for boats over 20m in Dorset have space now?

None of the 4 has told us in the last six weeks that it has space. We ask every site regularly; the list above updates as they reply.

Where can I keep a boat over 20m (66ft) in Dorset?

All 4 say they take a boat that long. Stated maximums: Salterns Marina (25m (82ft)), Cobb's Quay Marina (25m (82ft)), Port of Poole Marina (20m (66ft)) and Weymouth Harbour (20m (66ft)). Check beam and draught too.

Broader

Pontoon berths for boats over 20m in nearby counties

Pontoon berths for boats over 20m in the wider area

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