Summer (May to August) gives you long daylight hours - crucial since you want to actually see those cliffs and wildlife - and milder weather for walking tours. If you're keen on birdwatching and puffins, late spring through early summer is prime. Winter's dark and wet, but if dramatic, moody landscapes appeal to you, it's quieter and atmospheric.

Book at least a few weeks out, especially in July and August. Private guides here fill up fast because Lerwick's not huge, and most operators run small groups. For off-season visits (September to April), you've got more flexibility.

Absolutely. The islands are spread out, roads can be single-track, and the best stories - about puffin colonies, Shetland ponies, wartime history, or ancient sites like St Ninian Isle - come from someone who knows the land. You'll see and understand far more than driving solo.

Most include transport by vehicle, a knowledgeable guide, and access to sites (though admission fees to places like Jarlshof may be separate - check before you go). Full-day tours sometimes include lunch stops. Weather gear is always a good idea; coastal wind is real.

The town itself is walkable, but reaching South Mainland, the cliffs, or puffin spots requires transport. Local buses exist, but they're infrequent. A private tour removes the logistics headache and gets you to the spots that matter.

Most private tours work well for families, though half-day coastal and northern exposure tours involve walking over rough terrain - check fitness requirements before you book. Tours focusing on ponies and wildlife are particularly popular with kids.

Waterproof jacket, sturdy walking shoes, and layers - the weather shifts fast and coastal winds are relentless. Binoculars for birdwatching, a camera for the scenery, and honestly, lower your expectations for sunshine. You'll be fine.