Portland Head Light in Cape Elizabeth, Maine, is said to be the most photographed site in the state.

AP / Robert F. Bukaty

PORTLAND, Maine — Maine is well-known for its lobsters, but you needn’t pay lobster-dinner prices to visit Portland and the state’s southern coast.

Tourists can take boat rides off the coast for less than $10, see pro baseball at a fraction of the cost of major-league games, and enjoy miles of white sand beaches — for free.

PLACES TO GO: There’s no better way to see Maine’s famed rocky coast and islands than from the water, and the best deal is through Casco Bay Lines (cascobaylines.com), a ferry service linking Portland to six islands in Casco Bay. Summer rates for round-trip tickets range from $8.20 to $12.05 (children and seniors are half-price).

For that, you’ll get to go to the islands and see lobster boats, yachts, oil tankers, seals, sea birds, historic island forts and rocky ledges along the way. If you go to Peaks Island, you can grab lunch, rent a bicycle, visit art galleries and craft shops, rent a kayak or simply take a stroll.

The Portland Sea Dogs (portlandseadogs.com), the Double-A affiliate of the Boston Red Sox, play at Hadlock Field, which is reminiscent of Fenway Park — except for Fenway’s prices. Tickets go for as little as $7 for adults and $4 for children. Hot dogs sell for $2.75 and a beer is under $5.

The left-field wall, known as the Maine Monster, is the same height — 37 feet — as Fenway’s Green Monster and replicas of Boston’s iconic Citgo sign and Coke bottle are perched atop the wall. Plenty of future Red Sox players pass through Portland on their way to the big leagues. Twelve former Sea Dogs — Youkilis, Pedroia, Ellsbury, Papelbon and Beckett to name a few — were on Boston’s opening-day roster this year.

Twenty minutes south of Portland, the ocean-side town of Old Orchard Beach (oldorchardbeachmaine.com) is a summer playground with a honky-tonk feel that is a popular vacation destination with its food stands, arcades, carnival rides, waterslides and the rumble of Harley-Davidsons.

The major attraction — and it doesn’t cost a dime — is the seven-mile wide sandy beach where you can laze away the day. A pier that dates back to 1898 juts into the water, home to shops, restaurants and a night club.

The best view in Portland can be found atop the historic Eastland Park Hotel (eastlandparkhotel.com) where the Top of the East lounge offers 360-degree views of the city and surrounding areas. For the price of a drink, you can sit in comfy couches or at tables and take in panoramic vistas of Portland Harbor, the city’s downtown and the suburbs and countryside to the west. On a clear day, you can see New Hampshire’s Mount Washington.

THINGS TO SEE: There’s no shortage of lighthouses in the Portland area. Start off with Portland Head Light (portlandheadlight.com) in Cape Elizabeth’s Fort Williams Park a short drive from Portland.

The lighthouse was commissioned by George Washington and is said to be the most photographed place in Maine. The lighthouse museum charges $2; $1 for children. Once you’re done with the lighthouse, you can hike the park’s cliff walk, explore the remains of old forts or skip stones on the rock beach.

Other nearby lighthouses include the Two Lights lighthouses in Cape Elizabeth, or the Spring Point or Portland Breakwater lighthouses in South Portland.

The Longfellow House (mainehistory.org) is where famed poet Henry Wadsworth Longfellow grew up in downtown Portland in the early 19th century. Now owned by the Maine Historical Society at 489 Congress St., it has been preserved as a memorial to Longfellow and his family. Tickets are $8; $7 for senior citizens and students, and $3 for children.

The Portland Museum of Art (portlandmuseum.org) is Maine’s largest art museum with a collection of more than 17,000 objects housed in three buildings. Tickets are $10 for adults; free admission on Fridays, 5 to 9 p.m.

Greater Portland Landmarks (portlandlandmarks.org) offers paid guided walking tours that explore different architectural styles — Victorian to Greek Revival to Art Deco. Or you can take self-guided tours using any of four different maps that are available for free from the Web site.

WHERE TO EAT: You’ll find fishermen alongside lawyers bellying up to the counter and in booths at Becky’s Diner, 390 Commercial St. (beckysdiner.com). The waterfront eatery has decent-sized meals for reasonable prices.

Elsewhere on the waterfront, customers at the no-frills Gilbert’s Chowder House, 92 Commercial St. (gilbertschowderhouse.com) can eat inside at a counter or a table or outside on a patio overlooking the harbor. The menu features fresh seafood, but the restaurant is best-known for its five types of chowders — which you can order in a bread bowl.

If you’re in South Freeport, 20 minutes north of Portland, you can eat your seafood lunch or dinner on picnic tables along the water’s edge at Harraseeket Lunch & Lobster on Main Street and take in the postcard-perfect view of the harbor.

The owner buys lobsters from the very boats you’re looking at in the harbor, and the price of a meal is kept down because customers are allowed to bring their own alcoholic beverages.