Estuaries & tidal rivers
Conwy Marina
Conwy, Conwy · River Conwy
£6,150 a year for a 10m yacht
Marinas for boats over 12m with diesel in Wales
Marinas and harbours that say they take boats over 12m (40ft): 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 that sell diesel on site, at a fuel berth or from the boatyard.
3 sites · typical £6,420 a year for a 12m boat (£5,460–£7,380 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.
- For a 12m boat, published prices run from £5,460 a year (Penarth Marina) to £7,380 a year (Conwy Marina); the middle of 2 is £6,420 a year.
- Longest boat taken: 26m (85ft) at Conwy Marina.
- Of the 3, 2 have electric hook-up, 2 a pump-out and 3 visitor berths.
- 1 of the 3 allow liveaboards, outright or by arrangement.
Estuaries & tidal rivers
Penarth Marina
Penarth, South Glamorgan · Severn Estuary
£4,550 a year for a 10m yacht
Coast & harbours
Milford Marina
Milford Haven, Dyfed · Milford Haven Waterway
Prices on request
Compared: prices for a 12m boat
| Site | Where | A year, 12m boat | Longest boat | Widest beam | Deepest draught | Diesel | Space |
|---|---|---|---|---|---|---|---|
| Conwy Marina | Conwy, River Conwy | £7,380 | 26m (85ft) | – | – | Yes | Not reported |
| Penarth Marina | Penarth, Severn Estuary | £5,460 | 21.9m (72ft) | – | – | Yes | Not reported |
| Milford Marina | Milford Haven, Milford Haven Waterway | On request | 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 12m boat cost in Wales?
Across the 2 marinas for boats over 12m with diesel here that publish a price, a 12m boat costs from £5,460 a year at Penarth Marina to £7,380 a year at Conwy Marina. The middle figure is £6,420 a year. Check what each includes: electricity, water and VAT vary.
What are the cheapest marinas for boats over 12m with diesel in Wales?
For a 12m boat, Penarth Marina is cheapest at £5,460 a year.
Which marinas for boats over 12m with diesel in Wales 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 12m (39ft) in Wales?
All 3 say they take a boat that long. Stated maximums: Conwy Marina (26m (85ft)), Penarth Marina (21.9m (72ft)) and Milford Marina (20m (66ft)). Check beam and draught too.
Can you live aboard at marinas for boats over 12m with diesel in Wales?
1 of the 3 say you can: Milford Marina (liveaboards allowed). Living aboard can need planning consent and council tax; ask each site about its terms.
Broader
Marinas for boats over 12m with diesel in other areas
Run one of these sites? Tell boaters what you have free in a minute, no account needed. Update your availability