Built in 1903, Slate Islands Lighthouse is located within Slate Island Provincial Park, approximately 7.5 mi (12 km) south of Terrace Bay.

Located 5.7 miles (9.3 km) from Rossport, Battle Island Lighthouse was established to guide boats coming in from Lake Superior through Simpson Channel, into Nipigon Bay.  The original lighthouse, built in 1871, was replaced in 1911.  The grounds are open to the public, but the tower is closed.  It can be viewed by private boat, commercial charter, or by kayak/canoe.

Lamb Island Lighthouse is located in Ontario’s Superior Country at the south end of the Nipigon Straits 56 miles (90 km) east of Thunder Bay. A light tower was originally placed on Lamb Island in 1877 later to be replaced in 1961 with a 45 foot (13.6 meters) square, skeletal light tower.

Shaganash Island Lighthouse is actually located on an island west of Shaganash Island, 9.3 miles (15km) east of Porphyry Island Lighthouse.   The buildings are closed to the public, but the grounds are open to visitors, with facilities including picnic tables and a “thunder box”.   It is accessible only by boat.

Located on the eastern side of the Black Bay Peninsula, Porphyry Island is 24.8 miles (40km) east of Thunder Bay. Porphyry Island Lighthouse is only accessible by boat, the closest launching point is Silver Islet, a short drive past 

Trowbridge Island is located within the Sleeping Giant Provincial Park, north of the entrance to Thunder Bay.  Trowbridge Island Lighthouse was established in 1924 and stands 39 feet (11.8 m) tall.  It is still active, in conjunction with the