Harbor Grill is beefing up its repertoire with $22.95 prime-rib nights on Saturday and Sunday.
The special is available starting at 4 p.m. Dinner includes a choice of either the nightly soup or garden salad; prime rib with baked potato, horseradish sour cream, and vegetables. Desserts are additional. Ice cream and floats are $4.50; thick shakes, $4.95; pies and cakes, $6.
Harbor Grill is at 367 Three Mile Harbor Rd., East Hampton; 631-604-5290.