Here is a selection of restaurants and food establishments in Staten Island.
Delivery / Balkan food:
My Family Pizza — 340 Victory Blvd. — menu on Slice app includes burek (cheese, spinach and meat options) along with pizza and Italian selections
Sumac — 1198 Forest Ave. Staten Island tel. 347-466-5752 — Turkish, halal — closest Turkish restaurant, own delivery service
Nearby, Pizza, delivery, etc.:

Adobe Blues: Mexican & Bar 3 blocks away

Crispy Pizza: 1 block away

Marie’s Gourmet – everything

Ho Brah’: California Mexican Restaurant

Cafe Milano Pizza (usually fast delivery)

Duffy’s — 650 Forest Ave, Staten Island tel. (718) 447-9276 — Recommended for burgers, Doordash delivery or eat-in, outdoors seating.

New Asha – Sri Lankan  (Grubhub) 322 Victory Blvd, Staten Island, NY 10301 (718) 420-0649

Sushi Wen  – Sushi (BeyondMenu app)

The Kettle Black – Wings, Burgers

Pier 76 – Italian

Sally’s Southern (grubhub, seamless app)

Chang Noi Thai (seamless app)

Dine in:
Blue  1115 Richmond Ter, 718-273-7777 (walking distance from Snug Harbor)
— American and Italian specialties; “white tablecloth” restaurant on the waterfront; Sunday brunch
Beso  11 Schuyler St.   718-816-8162 , close to Ferry terminal, 
— Iberian and Latin cuisine so an option for post-festival drinks and tapas before taking the ferry back to Manhattan 
Pick up / Balkan / distant:
Alba — 1880 Hylan Blvd, 718-667-1343    (south side of Staten Island, 20 mins drive)
— Albanian deli with Balkan and Turkish specialties. Highly recommended but far from Snug Harbor.
Drita’s Homemade — 331 Hillside Ter,  929-407-6000  (south side of island) — Albanian cafe with Balkan sweets and savories, and full range of coffee beverages, teas, boza. Outdoor seating onsite.