Marinas for boats over 20m with a slipway in Dorset

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. Sites with a slipway for launching and recovering trailed boats.

3 sites · 1 with a waiting list · typical £18,120 a year for a 20m boat (£8,760–£27,480 across 2 published tariffs)

At a glance

3 sites: 2 on estuaries and tidal rivers and 1 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 2 is £18,120 a year.
Longest boat taken: 25m (82ft) at Salterns Marina.
Of the 3, 2 have electric hook-up, 2 diesel, 2 a boat hoist and 2 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

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	Longest boat	Widest beam	Deepest draught	Slipway	Space
Salterns Marina	Poole, Poole Harbour	–	25m (82ft)	–	–	Yes	Waiting list
Cobb's Quay Marina	Poole, Poole Harbour	£27,480	25m (82ft)	–	–	Yes	Not reported
Weymouth Harbour	Weymouth, Weymouth Harbour	£8,760	20m (66ft)	–	–	Yes	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 2 marinas for boats over 20m with a slipway 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 £18,120 a year. Check what each includes: electricity, water and VAT vary.

What are the cheapest marinas for boats over 20m with a slipway in Dorset?

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

Which marinas for boats over 20m with a slipway in Dorset have space now?

None of the 3 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 3 say they take a boat that long. Stated maximums: Salterns Marina (25m (82ft)), Cobb's Quay Marina (25m (82ft)) and Weymouth Harbour (20m (66ft)). Check beam and draught too.

Broader

Marinas for boats over 20m with a slipway in nearby counties

Hampshire 7

Marinas for boats over 20m with a slipway in the wider area

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