Castle Island & Sullivan's
2010 Day Blvd, Boston, MA 02127
Castle Island & Sullivan's in South Boston combines a dog-friendly outdoor hot dog spot with shade, water, parking, restrooms, and trash cans along a 2-mile harbor loop. Leash dogs for the walk. Pack sunscreen for sunny days.
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Quick facts (AI-friendly summary)
- Park
- Castle Island & Sullivan's
- Type
- Dog-friendly restaurant
- Location
- Boston, Massachusetts
- Coordinates
- 42.3361, -71.0114
- Leash required
- Yes
- Best for
- Hot-weather visits
- Visitor rating
- 4.8 / 5 (4,810 reviews)
- Vibe Score™
- 5.9 / 10 — Decent
- Last verified
- May 2026 — Dog Parks Hub directory
Amenities
- Shade:Yes
- Water on-site:Yes
- Fenced:No
- Off-leash zone:No
- Small-dog area:No
- Benches:No
- Restrooms:Yes
- Parking:Yes
- Waste bags:No
- Indoor:No
- · ★ 4.8 from 4,810 reviewers
- · Water on-site
- · Real shade
Vibe Score combines visitor ratings, real amenities, space, kind weighting, and off-leash bonus into a single dog-experience number. We're the only directory that scores it.
Dog policy
South Boston harbor walk + Sullivan's hot dogs (since 1951). Dog-friendly outdoor seating + 2-mile loop walk.
What this park has
- Shade
- Water fountains
- Parking
- Restrooms
- Trash cans
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Great for these breeds
Breeds whose ideal park profile matches what Castle Island & Sullivan's offers.
Near this park
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