The bay faces the Kyles of Bute, a narrow sea channel that separates the northern end of the Isle of Bute from the Cowal peninsula, and offers views of Isle of Arran. The bay is bounded by a coarse sandy beach which is popular with tourists and local people. During low tide, the water's edge can be up to from the high tide mark. A number of rivers flow into the bay, including the Glenmore Burn, Ettrick Burn, Drumachloy Burn and St Colmac Burn. At the north end of the bay, which mainly consists of rocky outcrops, lies the Kildavanan Point, with the feature known as Macallister's Gun, located close to the point. At the south end of the bay is the rocky outcrop called Island McNeil, which forms the outer boundary of the bay. The surrounding area is mostly rural with agriculture being the main land use. Average rainfall for the region is 392mm, compared to 331mm in Scotland as a whole. Windy Hill is the highest peak on the Isle of Bute. Located directly to the north of the bay, it is. Other small hills surrounding the bay include:
Kilbride Hill, which bounds Windy Hill at the east side –
Muirton Hill, which is to the south of Windy Hill – also
To the east and south of the bay, all the hills are shallow. miles directly south of Ettrick Bay lies the sheltered bay of St Ninian's Bay, which is named after the 8th-century Christian saintSaint Ninian. The island of Inchmarnock can be seen from Ettrick Bay and lies on a south bysouth west bearing of around 200° at a distance of from the bay, and is located at the northern end of the Sound of Bute in the Firth of Clyde on the same longitude as St Ninian's Bay.
Settlements
The nearest town to the bay is Rothesay, which is to the south west. The small coastal village of Port Bannatyne is located to the north east, on Ardbeg point of Kames Bay. Kames Castle and, to the north, Wester Kames Castle stands near to Kames Bay.
Features
A Bronze Agestone circle is situated at St Colmac Farm, which is located south of the B875 road to Ettrick Bay from Port Bannatyne, about northeast of the shore of Ettrick Bay. A Celtic cross that is often associated with the stone circle is located at the ruined 19th-century church of St Colmac, about from the stone circle in a north west direction. A well-known tourist attraction, and often associated together, they were built several thousand years apart. At the bridge over Glenmore Burn lie concrete frames built for the British Army for exercises on Inchmarnock. These frames represented practice landing craft for D-Day landings.