Summer raw bars at the following District restaurants are stocked with all the fish and shellfish you can eat. Seasonal specialties and prices are noted.

AE (American Express), DC (Diners Club), CB (Carte Blanche), MC (MasterCard), V (Visa) and C (Choice). "Free parking" indicates the establishment has a parking lot. Otherwise, expect street and commercial parking. "Full bar" indicates the restaurant is licensed to serve spirits, wine and beer. "Children" indicates the availability of child-size portions at reduced prices. "Reservations" indicates that they are required.

Americus Restaurant, Sheraton Washington Hotel, 2660 Woodley Rd. NW, 328-2000. Hours: Lounge open from 4 p.m. to 1 a.m. seven days a week, raw bar open only until 11 p.m. in the lounge; restaurant open from 5:30 p.m. to 11 p.m. seven days a week. Sunday brunch is served from 11 a.m. to 2 p.m. Cards: AE, DC, CB, MC, V. Validated and valet parking for restaurant customers. Full bar. No reservations required. Raw bar price range: 95 cents each for boiled shrimp, 85 cents per blue point oyster and little neck clams. Regular seafood entree price range: $10.50 to $17.95. Lobster is $26.50 per person. Specialties: Dishes featuring salmon, red snapper, swordfish, steamed trout, filet of sole and scrod. Barbecued shrimp is also popular.

Captain Days, in the alley behind 1130 18th St. NW, 296-1133. Hours: 11 a.m. to 11 p.m. Monday through Friday, noon to 11 p.m. Saturday, closed Sunday. Cards: AE, MC, V. Street and commercial parking. Full bar. Children. No reservations. Raw bar price range: 25 cents per clam or oyster on half shell, 50 cents per spiced shrimp, $4.25 per entree of barbecued shrimp, $3.75 per half-dozen to $6.75 per dozen for clams and oysters, $3.75 for quarter-pound and $6.75 for half-pound spiced shrimp (regular business hours). Cooked seafood platters range from $4.25 to $12.95. Cold seafood salad is $5.95 and cold shrimp salad is $4.95. Specialties: seafood, such as steamed or raw clams or oysters on the half shell, spiced shrimp, clam chowder and barbecued shrimp. All entrees and drinks discounted during Happy Hour, which is 4 to 7 p.m. Monday through Friday.

Devon Bar & Grill, 2000 Pennsylvania Ave. NW, 833-5660. Dinner hours: 5:30 p.m. to 10 p.m. Monday through Thursday, 5:30 p.m. to 11 p.m. Friday and Saturday, oyster bar/cafe hours: 5:30 p.m. to 10 p.m., 11:30 a.m. to 11 p.m. Monday through Thursday, 11:30 a.m. to midnight Friday and Saturday, 3:30 p.m. to 10 p.m. Sunday. Cards: AE, DC, CB, MC, V. Full bar. Reservations recommended. Price range: $4 to $8 per raw bar dish. Regular seafood entrees range from $8.95 to $23.95. Specialties: oysters and clams on half shell, shrimp, mussels, scallops, shellfish bake (English muffin topped with shrimp, scallop and crabmeat mixture with hollandaise sauce), warm scallop and shrimp salad, clam chowder and creole gumbo, seafood nachos (bay shrimp and crabmeat sprinkled on nachos with melted monterey jack cheese).

The Fishery Seafood Restaurant, 5511 Connecticut Ave. NW, 363-2144. Lunch hours: 11:30 a.m. to 2:30 p.m Monday through Saturday. Dinner hours: 5 p.m. to 10 p.m. Monday through Thursday, 5 p.m. to 11 p.m. Friday and Saturday, 1 p.m. to 10 p.m. on Sunday. Cards: AE, DC, CB, MC, V, C. Free parking behind the building. Full bar. No reservations required. Raw bar price range: $5.50 for half-dozen oysters or clams on the half shell, $5.50 for a bowl of mussels steamed with herbs, white wine, garlic and butter, $6.95 for a shrimp cocktail and $5.95 for crabmeat and feta cheese turnovers made with phyllo dough, $4.50 for a bowl of seafood gumbo. Regular seafood entrees range from $13.95 to $18.50. Specialties: Fish entrees, such as blackened redfish sauteed with crabmeat, chives, mushrooms in a lemon butter and Worcestershire sauce; soft shell crabs and live Maine lobsters, which cost $12 a pound. Daily fish specials.

Roma Raw Bar, 3411-19 Connecticut Ave. NW, 363-1838. Raw bar hours: 5 p.m. to 11 p.m. Monday through Saturday. Regular restaurant hours: 11 a.m. to midnight Monday through Sunday. Cards: AE, DC, CB, MC, V, C. Validated parking in Colonial parking garage at Connecticut Avenue and Ordway Street. Full bar. Reservations required for large groups. Raw bar price range: $3 to $11, $4.65 for a dozen spiced shrimp, $3 for half-dozen clams or oysters on a half shell, $3.75 for clams casino, $5 for shrimp cocktail, $6.25 for a crabmeat cocktail, $7.25 for a shrimp cold plate. Regular seafood entrees range from $8.25 to $10.50. Specialties: Italian cuisine as well as seafood, such as flounder, salmon, swordfish, lobster, tomato stuffed with crabmeat and avocado pears stuffed with tuna salad or crabmeat. -- Dianne Saenz