Northport, 9 Porpoise Ct., $1,799,999

Overlooking an inlet, as well as Long Island Sound, this .51-acre parcel comes with a private boat slip. It can accommodate a boat up to 25 feet, the listing agent says. The slip is maintained by the Goose Landing Association, the agent adds, noting the yearly fee is $500. There are views of the property and water from the Contemporary's multiple decks, which are accessible through sliding glass doors.

Inside the eight-room house are wood floors, skylights and three fireplaces. The layout includes a living room with a cathedral ceiling, an atrium and an eat-in kitchen with granite countertops and updated appliances. There are three bedrooms  with two full bathrooms and a half-bath. The master suite is set privately. Amenities include in-ground sprinklers and a two-car garage. Total taxes, including an additional village tax, are $26,263. JoAnn Klein, Bel Breeze Real Estate, 631-987-4208.

Freeport, 730 Guy Lombardo Ave.,$779,000

Offering seven boat slips and 100 feet of bulkhead, this 3,500-square-foot cape is on Woodcleft Canal across from Nautical Mile. The bulkhead comes with a transferrable 25-year warranty, starting from 2009, says the listing agent. The property, 100 feet by 150 feet, also comes with a cabana equipped with a bar and bathroom.

The house is within walking distance of restaurants, and it has a fireplace, four bedrooms and four bathrooms. Central air conditioning and a two-car garage are among the amenities. Taxes, including an additional village tax, are $22,482. Kathy Bay, Select-a-Home Island South Realty Corp., 516-223-9463.

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Babylon, 116 Bayview Ave., $949,000

With access to the Great South Bay, this 80-by-105-foot parcel has a cut-in boat slip, complete with a lift, as well as water and electric. The owners have a 22-foot boat, but the slip can accommodate much larger watercraft, says one of the listing agents.

Designed for entertaining, there are two outdoor connections to natural gas for barbecuing. Features of the 2005 Colonial include oversized windows, wood floors, recessed lighting and three sets of sliders that open to multiple decks, including one off the master suite. The master -- one of five bedrooms -- also has a dressing room and bathroom. There are another two bathrooms.

Amenities include a bonus room above the detached two-car garage. Taxes, including an additional village tax, are $23,945. Shellee Affonso and Jennifer Olsen, Coach Realtors, 631-671-2607 and 631-445-5671, respectively.