Greenville, Maine. The 1917 Lodge at Moosehead Lake has nine guest rooms, all with bath and gas fireplace, most with water views. Five are in the main lodge, along with a great room, restaurant, game room, and pub; the carriage house adds four suites.

The two-bedroom owner's house features lake views and includes a staff apartment. The 7-acre property spans a field and woods. $2,495,000. Kimberly Swan, The Swan Agency Sotheby's International Realty, (207) 288-5818.

Warren, Connecticut. Recently renovated, this 1750 Colonial includes six guest suites, a library with fireplace, a commercial kitchen, a restaurant area, and a gym with sauna. There are two converted stone barns, one a party space and one the owner's home, with vaulted ceilings, skylights, exposed beams, and a wall gridded with windows.

The 2.47-acre lot features lawns, gardens, and mature trees. $1,995,000. Mimi Harson, William Pitt Sotheby's International Realty, (860) 671-1557.

Urbana, Illinois. Sylvia's Irish Inn is blocks from the University of Illinois. The 1895 Queen Anne Victorian has a carved staircase, parquet floors, and crown molding; the four guest bedrooms include a master suite with vaulted ceiling and stained glass.

Owners' quarters and an extra apartment are in the carriage house. Outside are a deck, porch, patio, and landscaped grounds. $649,900. Ryan Dallas, Ryan Dallas Real Estate, (217) 351-4900.

Two Rivers, Wisconsin. Set in a fishing port on Lake Michigan, the Red Forest Bed and Breakfast Inn is also a short walk from the East Twin River. Built in 1907 and updated in 2015, the Shingle-style home has seven bedrooms, four with private bath, and features oak trim and stained-glass windows.

In front are a porch and landscaped lawn, in back a garden patio and yard. $349,000. For sale by owner, (920) 793-1794.

Westhampton Beach, New York. The 14-bedroom Grassmere Inn was built in 1885. This Victorian mansion in the center of town features large guest rooms, hardwood floors, a formal dining room, a three-bedroom owner's apartment, a staff bedroom, and a large porch.

The 1-acre property also has a three-bedroom sports loft with twin dining rooms. Guests can walk to area shops and restaurants or bike less than a mile to Atlantic Ocean beaches. $2,550,000. Adriana Jurcev, Douglas Elliman Real Estate, (917) 678-6543.

York, Pennsylvania. The nine-bedroom Historic York Inn is on the National Register of Historic Places as the Smyser-Bair House. Original details in the 1849 mansion include a porcelain bath set, a glass-etched gasolier, etched door hardware, and pier mirrors gilded with the first owner's Gold Rush ore.

The inn is walking distance to shops and restaurants. $329,900. Selina Robinson, Berkshire Hathaway HomeServices Homesale Realty, (717) 676-0507.