American Cruise Lines

American Mariner

A 2027 Patriot-class ship on order, sold for Maine in summer and the Florida Gulf in winter

Sailings Available

161

Ports Visited

51

Next Departure

Jun 1, 2027

Trip Length

8–15 nights

American Mariner does not exist yet. American Cruise Lines named her in August 2025 alongside a sister, American Navigator, as the fifth and sixth ships of the Patriot class, both to be built at Chesapeake Shipbuilding in Salisbury, Maryland and both due in 2027. Her inaugural voyage has been announced for late May of that year. She is on this site because her 2027 and 2028 seasons are on sale, not because anyone has been aboard her.

This page is deliberately thin. There is no christening to describe, no first season to report on, and no photograph of a finished interior. What follows is what has been announced and what is true of the four Patriot-class ships already delivered.

What has been announced

She is a 130-guest Patriot-class ship: a conventional bow drawn for a deeper draft than a riverboat needs, full stabilization for open coastal water, and an elevator reaching every deck. That combination is the class’s whole reason for existing; it is what lets one small ship run the exposed stretch outside Cape Ann in the morning and lie alongside a town wharf in the afternoon.

Six stateroom categories are published, all with private balconies. Single Balcony rooms at 250 square feet on the 2nd through 4th Decks are built for solo travelers. Premium Balcony on the 2nd and Vista Balcony on the 3rd are 300 square feet. The 4th Deck carries the Veranda Suite at 320, the Sky Suite at 400 with a triple-panel glass wall, and the Grand Suite at 500 with a separate bedroom and a twenty-five-foot balcony. The public rooms are the ones her sisters have: Chesapeake Lounge forward, Sky Lounge on the top deck, Chart Room, Bow Terrace, the Back Porch Café outdoors, a glass-enclosed restaurant with a single open seating, a fitness center, shuffleboard, a guest laundry and the 360-degree Sky Walk around the sun deck.

There is one number worth flagging. When the line first announced her, the trade press reported the pair as 6,000-ton ships for 125 guests; the line’s own current page for her says 130, as it does for every Patriot-class ship. Take 130 and treat the tonnage figure as unconfirmed.

Her first seasons, as sold

She is sold as a full-year East Coast ship that migrates, and there is nothing of the Pacific or the rivers about her. Four programs make up the year.

Summer is Maine. The opening product, and the largest block on her calendar, is the eight-night Maine Coast & Harbors cruise, round trip out of Portland, Maine, from late spring through to September. It calls at Bath, Boothbay Harbor, Camden, Rockland, Bar Harbor, Bucksport and Bangor, with a full day simply cruising the coast, the classic downeast run, done in a ship small enough to tie up in the middle of each of those towns rather than anchor off.

Autumn is foliage. In September and October she moves to the Hudson, eight nights round trip from Albany, working down past Catskill, Kingston, Hyde Park, West Point, Sleepy Hollow and New York City and back. A fortnight-long New England fall foliage run also appears, Portland through to New York by way of Portsmouth, Gloucester and Newport.

Winter is Florida. From November she repositions south for the Florida Gulf Coast & Keys cruise, round trip from St. Petersburg (Key West, Marco Island, Punta Gorda and Tampa), and that carries her through to spring. It is the second largest thing she does and it is the half of her year the announcements tend not to lead with.

The shoulders are the Chesapeake. Late autumn and early spring bring the American Revolution cruise, Washington, DC through to Philadelphia at ten and eleven nights, calling at Annapolis, St. Michaels, Norfolk, Yorktown, Jamestown and Williamsburg, with cruising days on Chesapeake Bay and the Delaware. A shorter Potomac and Chesapeake week out of Washington turns up alongside it.

Every one of those routes is available to her only because she will be built in the United States, flagged in the United States and crewed by Americans. Portland to Bar Harbor, St. Petersburg to Key West, Washington to Philadelphia; each is a passage between two US ports, and the Passenger Vessel Services Act shuts foreign-flagged ships out of them entirely. Nobody sails these coasts this way except an American operator, and there are very few of those.

Who she suits

People happy to buy a schedule rather than a ship. Coastal Maine in a 130-passenger vessel with a balcony on every cabin is a genuinely good product and her sisters have proven the design, so the risk here is delivery timing rather than the ship itself. It also suits anyone who wants a warm-weather version of the same idea: the Florida Gulf and the Keys in a hull that ties up at the town dock is a different vacation from the summer one and it is on the same ship at the other end of the year.

She does not suit anyone who wants to know what they are getting. First-season sailings on a hull that has not been launched can move, and a shipyard running one delivery every four months has no cushion in the schedule. She also does not suit anyone looking for a pool, a casino, a second restaurant, evening entertainment beyond a lounge musician, or company under sixty; none of which this fleet has ever offered and none of which she will.