Cardiff vs Portishead: moorings and marinas compared

Cardiff and Portishead are 28.5km apart. Each site is counted with its nearest town, if that is within 12km. Prices are for a 10m boat a year and a 10m boat a night, from published tariffs.

The short answer

Most choice: Cardiff (Cardiff 3, Portishead 2).
Cheaper by the year for a 10m boat: Cardiff (Cardiff £4,110 a year at its one priced site; Portishead £4,690 a year at its one priced site).
Cheaper for a night on a visitor berth (10m boat): Cardiff (Cardiff £15 a night at its one priced site; Portishead £30 a night at its one priced site).
Biggest boats: Portishead (Cardiff up to 6m (20ft); Portishead up to 24m (79ft)).
None of these sites has told us in the last six weeks that it has space.

Side by side

Town	Sites	Space now	A year, 10m boat	Cheapest a year	A night, 10m	Longest boat	Visitor berths	Electric	Pump-out	Diesel	Lift-out	Liveaboard	Water
Cardiff	3	0	typically £4,110	Cardiff Marina £4,110	typically £15	6m (20ft)	2	1	0	0	1	0	Estuaries & tidal rivers 3
Portishead	2	0	typically £4,690	Portishead Marina £4,690	typically £30	24m (79ft)	1	0	0	1	1	0	Estuaries & tidal rivers 1, Coast & harbours 1