Marine park (snorkeling and guided intertidal walk)
Sisters' Islands Marine Park
Southern Islands (off St John's Island), Singapore, Singapore
Singapore's only marine park runs a monthly ranger-led walk onto exposed reef flats around Big Sister's Island, showing off coral and giant clams most residents never know sit just offshore.
Hours
Official source, currentBig Sister's Island open 7am to 7pm, closed first and third Wednesday of the month (unless a public holiday). St John's Island accessible by ferry with last ferry at 6pm. Small Sister's Island and other areas are not open to the public, reserved for conservation and research.
“"Open from 7am to 7pm"; "Closed on the first and third Wednesday of each month, unless the Wednesday falls on a designated Public Holiday"; "The last public ferry leaves at 6pm"”
nparks.gov.sg · Checked 25 Jul 2026
Price
Booking site listingFrom SGD 15 roundtrip ferry (Ferry to Lazarus/St John's, Kusu and Big Sisters')
“Ferry to Lazarus/St John's, Kusu & Big Sisters' Islands, Price: "from S$15.00"”
tickets.islandcruise.com.sg · Checked 25 Jul 2026
Age suitability
Not verifiedNot verified. No source we checked states this, so it stays blank instead of guessed.
Checked 25 Jul 2026
Caveats
Re-fetched both cited sources fresh this run, both loaded successfully (no 404/403/timeout). NParks official page confirms Big Sister's Island hours (7am to 7pm), the first/third Wednesday monthly closure exception for public holidays, the 6pm last-ferry note for St John's, and the exact lat/lng. No entry fee is…
5 sources checked for this venue.