It may sound like the preserve of millionaires, but this private Scottish island is on sale for just £350,000.Mullagrach Island, an 88.7-acre escape in the idyllic Summer Isles, comes complete with a cosy cabin, tranquil coves and breathtaking views across Scotland’s west coast.There are two harbours nearby – Ullapool and Old Dornie – from which boats can reach the island’s landing stage.It can also be reached by helicopter. The rocky landscape offers beautiful views, with the Outer Hebrides visible to the west.Meanwhile, the south and east have sweeping views of the mountains of Skye and Torridon. Mullagrach Island stretches across 88.7 acres and can be bought for just £350,000 The only building on the island is a cabin which boasts a heather-topped roof to blend in with the rolling greeneryThe only building on the island – a cabin – has been purpose-built to have a low environmental impact, and blends in well with the rolling greenery as it has a heather-topped roof.It is carefully positioned and designed to survive bad weather, so inhabitants might not have to worry too much about being whisked away in strong Scottish gales. Inside, the cabin is fully kitted out with everything one might need, but in a minimalist, studio design. There are two box beds, as well as a wood-burning stove and a fully-equipped kitchen and dining area – all encased in characterful bare wood walls and flooring.Mullagrach Island’s new owner can stay right away too, as the cabin is sold with all of its contents. On the island, an abundance of wildlife can be found including great skua, shag, fulmars, greylag geese and otters.The landscape hasn’t been grazed by sheep for 30 years, so it is now rich in biodiversity. Remains of ancient shielings can still be found amongst Mullagrach’s range of plants. The island has beautiful coastal views and an abundance of wildlife and sealife Birch trees, rowan shrubs and willows are just some of the vegetation that thrives on the island, as well as coastal and moorland wild flowers. Meanwhile, the surrounding waters are home to plenty of sea life including scallops, prawns, lobster and crab. Mackerel, pollock and sea bass can also be found. It’s even possible to catch crab and lobster from the landing stage. If you have a larger budget, Thorne Island, located just off the Pembrokeshire coast in Wales, is listed for sale on Rightmove for £3 million. The lucky new owner will be treated to absolute seclusion and has the choice of either helicopter or boat for their arrival to the island, with a private jetty, as well as five private sea moorings and a helipad.A fort sits at the heart of the site, which totals just over 8,000 square feet, making it a substantial residence, with exposed brickwork, sash windows, a wood-burning stove and even vaulted ceilings featured throughout the property.There are five bedrooms in the fort and it has the space to sleep up to 20 guests.Three of the rooms are double and offer en-suite bathrooms, as well as views of the surrounding sea and access to the courtyard.Another looks out onto Angle Beach and even has a wood-burning stove to keep cosy on winter nights. The fifth bedroom is located centrally, according to the listing. The cabin is fully kitted out with everything one might need for a remote night awayOther rooms include workshops, boiler rooms, storage and five bathrooms. There’s also a glass-fronted office space that sits on the western cliff edge.Throughout the property there’s new flooring as well as hardwood heritage glazed sash windows.Thorne Island is registered as a Hotel & Premises (VOA Business Rates), meaning the next owner could utilise the space as a commercial venture if they wish. Outside, the courtyard has a lawn that’s perfect for hosting parties and offers a great outdoor space.