Beach
Grande Plage de Saint-Cast-le-Guildo
Saint-Cast-le-Guildo · Côtes-d’Armor
In Saint-Cast-le-Guildo, nearly 2 km of fine sand line the Les Mielles quarter, with lifeguarded swimming in summer, water sports, beach clubs, showers, wheelchair access and a promenade to the harbour.
- Suggested time
- 3 hours to a full day
- Type of place
- Large seaside beach of fine sand, lifeguarded and wheelchair accessible
- Atmosphere
- Seaside, family-friendly, lively and very accessible
- Getting there
- Boulevard de la Mer, Saint-Cast-le-Guildo. Direct access from the Les Mielles quarter and a footpath to the harbour.
Who this place suits
- With family
- 10/10
- As a couple
- 9/10
- With friends
- 10/10
- Solo
- 9/10
- With a dog
- 3/10
- Reduced mobility
- 10/10
These scores are calculated from what the page records: official rating, facilities, difficulty, duration and location. They are a guide, not a substitute for contacting the venue, especially about accessibility.
About
The Grande Plage is the seaside emblem of Saint-Cast-le-Guildo. It stretches for nearly 2 km of fine sand right next to the town centre, shops and restaurants. The beach is lifeguarded in July and August and has a first-aid post, showers and improved wheelchair access, with a ramp, a mat to the water, two adapted beach wheelchairs and a changing cabin at the Rotonde first-aid post. In summer, the resort also offers beach clubs, water sports and tent or cabin hire. A coastal promenade of about 1 km links the beach to the harbour and is suitable for pushchairs and people with reduced mobility. In 2026, water quality was monitored from 15 June to 15 September, with an excellent recent record. Dogs and horses are banned from the beaches of Saint-Cast between 10 am and 7.30 pm from 15 June to 15 September.
What you will see
- A large beach of fine sand.
- The seaside resort of Les Mielles.
- A footpath of about 1 km to the harbour.
- A long ribbon of sand with the resort and harbour behind.
Practical information
- Getting there
- Boulevard de la Mer, Saint-Cast-le-Guildo; direct access from the Les Mielles quarter and a footpath to the harbour
- Services
- First-aid post, showers, accessible toilets at both ends, beach club and sailing centre in season
- Parking
- Can be very busy in July and August and on sunny weekends
- Pets
- Dogs and horses banned between 10 am and 7.30 pm from 15 June to 15 September
- Accessibility
- Excellent wheelchair access
- Lifeguarded swimming
- Lifeguarded in July and August
- With family
- Very well suited to families in the lifeguarded zone
- Water quality
- Excellent recent record
- Tides
- Medium to strong influence; at low tide, a wide stretch of sand and a long walk to the water; at high tide, swimming is closer
- Length
- Nearly 2 km
- Activities
- Swimming, sailing, kayaking, paddleboarding, windsurfing, windfoiling, beach clubs, walking
- Safety
- Stay in the lifeguarded zone, watch children, check the flags before swimming, keep wheelchair and emergency access clear, respect channels and reserved zones for water sports
- Best time
- With family, July and August during lifeguard cover; for calm, early morning or June and September
- Photography
- The promenade on the Les Mielles side, the footpath to the harbour, the ends of the beach; clear morning or late afternoon light
- Ideal for
- Families, lifeguarded swimming, water sports, wheelchair users, kids’ clubs, a full day
- Nearby
- The port of Saint-Cast, the Pointe de la Garde, Pen Guen, Fort La Latte
Tips on the spot
- Check the tide times before you go, and download them for offline use.
- Check the marine weather, swell and wind.
- Read the signs at the entrance and respect the flags and instructions.
- Choose the lifeguarded area when there is one, and do not overestimate your swimming level.
- Watch children at all times, and set a family meeting point.
Show 9 more tipsHide
- Check the water quality in season, and do not swim if there is a ban.
- Arrive early in July and August; June and September are quieter.
- Use sun cream even when the sky is hazy, and keep a windproof layer.
- Respect the dunes and vegetation, and take all your litter home.
- If in doubt about conditions, do not swim.
- For swimming with children, aim for a fairly high or rising tide.
- Wheelchair users can call the first-aid post before a dedicated trip.
- Respect the sailing channels.
- Check parking in busy periods.
Frequently asked questions
What kind of beach is it?
Large seaside beach of fine sand, lifeguarded and wheelchair accessible.
Why come here?
Saint-Cast’s iconic family beach, big enough to absorb the summer crowds and well equipped enough to spend the whole day without taking the car again.
How much time should I allow?
3 hours to a full day.
What is the atmosphere like?
Seaside, family-friendly, lively and very accessible.
Is swimming lifeguarded?
Yes, in July and August.
Is the water quality monitored?
Yes, with an excellent recent record.
See also the beaches in Saint-Cast-le-Guildo.
Stay in Saint-Cast-le-Guildo
Places to stay that are still available, with current prices, compared across the main booking platforms.
Partner link: a booking made from this map may earn us a commission, at no extra cost to you.
Read in the journal
- RankingThe most beautiful beaches in Côtes-d’ArmorSaint-Guirec and Trestraou in Perros-Guirec, Coz-Pors, the Plage Bonaparte, Val-André and Cap d’Erquy: our selection of the most beautiful beaches in Côtes-d’Armor.
- DepartmentWhat to do in Côtes-d’ArmorThe Pink Granite Coast, Cap Fréhel, Bréhat: the most photographed department in Brittany, and what you really see there.
- ChristmasWhat to do in Côtes-d’Armor during the Christmas holidaysDinan in winter, scallops, the birds of the bay and Cap Fréhel in the wind: our ideas for the 2026 Christmas holidays in Côtes-d’Armor.
Traveller reviews
Nobody has reviewed this place yet.
Photographs: Thérèse Gaigé · CC BY-SA 4.0 · Wikimedia Commons · Kev22 · CC BY-SA 4.0 · Wikimedia Commons · Cyril5C · CC BY-SA 4.0 · Wikimedia Commons