Where service and attention to detail are key. Best St Mary's B&Bs on Tripadvisor: Find traveller reviews, candid photos, and prices for 36 bed and breakfasts in St Mary's, England. Luxury Cottage on the beautiful unspoilt tiny island of St Agnes, Isles of Scilly (28 miles off the coast of Cornwall). Open all year. Scilly’s welcoming community of just over 2,000 people enjoys a tranquil way of life. Small boats hop between the main settlements of St Mary’s, St Agnes, Tresco, Bryher and St Martin’s, with several smaller outcrops to explore in between. The capital is Hugh Town with its cluster of shops, restaurants and pubs. Dogs allowed. Whether you arrive by flight or ferry your first sight of St Mary’s is unforgettable - the largest of the inhabited islands, an area of outstanding natural beauty and home to the Isles of Scilly Museum. The Isles of Scilly is a truly serene location, where mainland cares melt away. Whether you are travelling down to Scilly by train or car, the Isles of Scilly Travel or Penzance Helicopters will be the ones who take you on the final part of your journey to a holiday of rest and relaxation on St. Martins. 2 minutes from Porthcressa beach and 5 minutes level walk from the quay, St Mary’s Hall Hotel reflects the relaxed and timeless lifestyle of the Isles of Scilly Sleeps 4 in two bedrooms. Within easy walking distance of secluded beaches, cafes, pub and shop.