Taken right from allears.net site-
DISNEY SPRINGS The Landing
Jock Lindsey's Hangar Bar
Morimoto Asia
Paradiso 37
Portobello
Raglan Road Irish Pub and Restaurant
STK Orlando
DISNEY SPRINGS Town Center
Chef Art Smith's Homecoming
Frontera Cocina (lunch only)
DISNEY SPRINGS West Side
House of Blues (excludes Sunday brunch)
Planet Hollywood
Splitsville (excludes merchandise and bowling)
Wolfgang Puck Cafe
This is subject to change. I believe you can use the card for up to 10 people. I don't think the Boathouse honors TIW at this time but they do give a discount for AP holders as well as DVC.