Grimsay is situated between North Uist and Benbecula, joined by causeway.
Car ferries are operated by Caledonian MacBrayne to Lochmaddy and Lochboisdale. For reservations call 0870 565 0000, or visit their website. A car ferry to Leverburgh on South Harris can be boarded at Berneray. Call 01876 500 337 for reservations.
There are daily flights to Benbecula from Glasgow and Stornoway. Bookings can be made through Loganair.
Car Hire is reasonable and dependable though it is always advisable to book in advance during the summer. The main car hire companies are Ask Car Hire, MacLennan Bros. on 018760 602 191, and Laing Motors.