Castlebay takes its name from the castle standing on a rock in the middle of it — Kisimul, seat of the chief of Clan MacNeil, and the only significant medieval castle left in the whole of the Western Isles. The CalMac ship from Oban still ties up beneath it, once a day, all year.
Summer timetable as downloaded, 2 June – 18 October 2026, and winter timetable 19 October 2026 – 25 March 2027. Both read on calmac.co.uk on 22 September 2026. CalMac — Oban-Castlebay summer and winter timetables (PDF) · 2026-09-22
The bay was named for the castle, not the other way round. Kisimul stands on its own rock a short way off the pier, out in the bay itself, the stronghold of the seafaring MacNeil chiefs, and Historic Environment Scotland calls it the only significant medieval castle to survive anywhere in the Western Isles — reached by a short boat trip from the village, currently on a hard-hat tour while conservation work goes on. The ferry pier is a few hundred metres from that shore, and the ship that uses it is the MV Isle of Lewis, built at Port Glasgow by Ferguson Shipbuilders in 1995 and one of only two vessels in the CalMac fleet longer than a hundred metres.
This is the mainland route to Barra, and it is a long one — 4 hours 45 minutes, once a day in each direction, year round. It is not a hop between islands, and it should not be confused with the short inter-island crossing at the other end of Barra that links the island to the Uists.
In summer the ship leaves Oban at 13:10 on weekdays and 13:30 at the weekend, and comes off Barra between 06:55 and 07:50 depending on the day. In winter it settles into 13:00 out and 06:55 back, but drops Thursday and Saturday altogether and spends several weeks sharing a rotation with Lochboisdale.
The vehicle price excludes the driver, so one car with two adults aboard comes to £131.35 one way: £91.95 for the car and £19.70 a head. Returns are exactly double the singles on every line, so booking a round trip buys capacity, not a discount.
A Blue Badge brings the car down to £68.96 and a motorcycle to £34.50, and the concession can be applied online provided you carry the badge. There are no SPT concessions on this route.
| Adult, 16 and over | £ 19.70 |
| Child, 5 to 15 | £ 9.85 |
| Infant, 0 to 4 | Free |
| Pedal cycle | Free |
| Car | £ 91.95 |
| Blue Badge car | £ 68.96 |
| Motorcycle | £ 46 |
| Blue Badge motorcycle | £ 34.50 |
| Light goods vehicle up to 6 m | £ 111.65 |
| Campervan or motorhome up to 6 m | £ 91.95 |
| Campervan or motorhome 6.01–8 m | £ 229.90 |
| Campervan or motorhome 8.01–10 m | £ 275.85 |
| Campervan or motorhome 10.01–12 m | £ 321.85 |
| Caravan up to 6 m | £ 91.95 |
| Caravan 6.01–8 m | £ 137.95 |
| Baggage trailer up to 2.5 m | £ 46 |
| Trailer 2.51–6 m | £ 91.95 |
| Unaccompanied car | £ 111.65 |
| Livestock trailer | Free |
Summer 2026 fares, valid from 27 March 2026 CalMac — Oban-Castlebay fares, summer 2026 (PDF) · 2026-09-22
In a straight line the two terminals lie 136.9 kilometres apart — about 74 nautical miles — and the ship's track is longer again, which is where the 4 hours 45 minutes goes. Oban is on the Argyll mainland, Castlebay at the southern end of the Outer Hebrides chain, with Mull and the Sea of the Hebrides between them. Highland ports send boats west on very different scales: the Camusnagaul launch out of Fort William covers 1,278 metres for £2.
Oban is the busiest port on the CalMac network and the Barra sailing is one of the longest leaving it. The check-in booth is on the left after the car park entrance; vehicles for Barra are asked for 45 minutes before departure and foot passengers for 30. Office hours in summer stretch from 05:30 on a Monday to 21:45 on a Friday. Rail, bus, taxi and car hire all connect here.
The Castlebay pier sits at the head of the bay with Kisimul Castle out in front of it, and the village centre is 350 metres away — fuel, cash machine and shop all within that walk. The ticket office keeps shorter hours than Oban's: 09:00 to 17:00 on weekdays, to 15:00 on Saturday and only to noon on Sunday, so buy online rather than relying on the desk.
CalMac asks for a ticket bought online in advance of travel for everyone on this route, foot passengers included. eTickets scan from a phone. Turning up without one is possible but not guaranteed — go to the ticket office rather than the lanes. It is the opposite of the habit on many of the shorter Scottish crossings here.
Vehicles for Barra must be available for boarding 45 minutes before departure and foot passengers 30 minutes. Late arrivals may have the space reallocated — this is not a slipway you roll up to.
Comhairle nan Eilean Siar asks visitors in caravans, motorhomes and campervans to stay at official campsites or designated overnight spots, under the P.L.A.C.E. visitor code. CalMac repeats the request and runs a standby process for motorhomes.
Nearly five hours at sea justifies it: the Mariners Café on Deck 4 does cooked meals, and Deck 5 has a Coffee Cabin, a shop, an observation lounge and a pet area.
CalMac prints Glasgow Queen Street times against the sailings — 08:22 to Oban 11:27 on weekdays, 09:56 to 13:04 on Sundays — but adds that those train times were valid only until 16 May 2026. Confirm on ScotRail before you rely on them.
Livestock sales at Lochboisdale caused amended timetables on 22 August and 21 September 2026. Small, local, and enough to change your sailing — check the route's service status page rather than assuming the grid.
One sailing a day imposes a shape on any trip. Because the ship leaves Barra in the early morning and the mainland in the early afternoon, there is no same-day return in either direction: a visit means at least one night on the island, and a crossing from Barra means being at the pier before seven with 45 minutes of check-in behind you if you have a car.
The Wednesday rotation via Coll and Tiree is the exception worth knowing about. It leaves Oban at 07:00 rather than in the afternoon and takes seven hours rather than under five, but it puts two more islands on the same ticket's worth of sea time.
No. Ardmhor at the north end of Barra connects to Eriskay on a separate, much shorter inter-island crossing, which is how people move between Barra and the Uists. Oban–Castlebay is the long route from the Argyll mainland, 4 hours 45 minutes each way, and the two answer different journeys.
One in each direction, and on some winter days none at all. In summer it is 13:10 out of Oban Monday to Friday, 13:30 on Saturday and Sunday, with the return off Castlebay at 06:55 on weekdays and Sundays and 07:50 on Saturdays. Wednesday adds a second, slower rotation via Coll and Tiree.
The winter period starts, and the pattern changes more than the times suggest. From 19 to 22 October the crossing lengthens to 5 hours 35 minutes; from 23 October to 16 November Castlebay is served by a combined rotation that also calls at Lochboisdale. The straightforward winter pattern — 13:00 out, 06:55 back, Monday, Tuesday, Wednesday, Friday and Sunday — runs from 17 November.
Yes. CalMac asks foot passengers on this route to book online before travelling, and all passengers and vehicles must hold a valid ticket prior to travel. Check-in closes 30 minutes before departure for foot passengers and 45 minutes for vehicles. That is a world away from a CalMac slipway like Colintraive, where nothing is reserved at all.
£91.95 single for anything six metres or under, matching the car rate, then £229.90 for 6.01 to 8 metres, £275.85 to 10 metres and £321.85 to 12 metres. The driver is extra at £19.70, and the jump at six metres is the biggest step in the table.
Not on the scheduled boat. The ship leaves Oban in the early afternoon and leaves Barra early the next morning, so the shortest possible visit is one night. Even the Wednesday rotation via Coll and Tiree gets in at 14:00 and turns round at 14:15.
No, pedal cycles cross free in both directions. Six or more riders travelling together must notify the port office beforehand, and CalMac warns that a large group may not all get the sailing they want — on a once-a-day route that matters.
The MV Isle of Lewis, 6,753 gross tons and 101.25 metres long, built in 1995. She carries the Mariners Café on Deck 4, a Coffee Cabin and shop on Deck 5, an observation lounge and a pet area — the fit-out a near-five-hour passage needs.