diff --git a/Cargo.lock b/Cargo.lock
index 835667f..1653d4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -71,12 +71,65 @@ dependencies = [
  "syn 2.0.28",
 ]
 
+[[package]]
+name = "async-trait"
+version = "0.1.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.28",
+]
+
+[[package]]
+name = "attohttpc"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fcf00bc6d5abb29b5f97e3c61a90b6d3caa12f3faf897d4a3e3607c050a35a7"
+dependencies = [
+ "http",
+ "log",
+ "rustls",
+ "serde",
+ "serde_json",
+ "url",
+ "webpki",
+ "webpki-roots",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "aws-creds"
+version = "0.34.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3776743bb68d4ad02ba30ba8f64373f1be4e082fe47651767171ce75bb2f6cf5"
+dependencies = [
+ "attohttpc",
+ "dirs",
+ "log",
+ "quick-xml",
+ "rust-ini",
+ "serde",
+ "thiserror",
+ "time",
+ "url",
+]
+
+[[package]]
+name = "aws-region"
+version = "0.25.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "056557a61427d0e5ba29dd931031c8ffed4ee7a550e7cd55692a9d8deb0a9dba"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.68"
@@ -92,6 +145,12 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "base64"
 version = "0.21.2"
@@ -119,6 +178,15 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
@@ -183,6 +251,15 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a17b76ff3a4162b0b27f354a0c87015ddad39d35f9c0c36607a3bdd175dde1f1"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -235,6 +312,62 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "deranged"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7684a49fb1af197853ef7b2ee694bc1f5b4179556f1e5710e1760c5db6f5e929"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+ "subtle",
+]
+
+[[package]]
+name = "dirs"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3aa72a6f96ea37bbc5aa912f6788242832f75369bdfdadcb0e38423f100059"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "dlv-list"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0688c2a7f92e427f44895cd63841bff7b29f8d7a1648b9e7e07a4a365b2e1257"
+
 [[package]]
 name = "either"
 version = "1.9.0"
@@ -434,6 +567,16 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.10"
@@ -555,6 +698,12 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
 [[package]]
 name = "hidefix"
 version = "0.7.0"
@@ -583,6 +732,7 @@ dependencies = [
  "rand",
  "rayon",
  "reqwest",
+ "rust-s3",
  "serde",
  "serde_bytes",
  "sled",
@@ -591,6 +741,15 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -830,6 +989,23 @@ dependencies = [
  "rawpointer",
 ]
 
+[[package]]
+name = "maybe-async"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f1b8c13cb1f814b634a96b2c725449fe7ed464a7b8781de8688be5ffbd3f305"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "md5"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -1045,6 +1221,16 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "ordered-multimap"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccd746e37177e1711c20dd619a1620f34f5c8b569c53590a72dedd5344d8924a"
+dependencies = [
+ "dlv-list",
+ "hashbrown 0.12.3",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -1232,6 +1418,16 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "quick-xml"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f50b1c63b38611e7d4d7f68b82d3ad0cc71a2ad2e7f61fc10f1328d917c93cd"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.32"
@@ -1317,6 +1513,17 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
+dependencies = [
+ "getrandom",
+ "redox_syscall 0.2.16",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.9.3"
@@ -1352,7 +1559,7 @@ version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
 dependencies = [
- "base64",
+ "base64 0.21.2",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -1383,6 +1590,60 @@ dependencies = [
  "winreg 0.10.1",
 ]
 
+[[package]]
+name = "ring"
+version = "0.16.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
+dependencies = [
+ "cc",
+ "libc",
+ "once_cell",
+ "spin",
+ "untrusted",
+ "web-sys",
+ "winapi",
+]
+
+[[package]]
+name = "rust-ini"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6d5f2436026b4f6e79dc829837d467cc7e9a55ee40e750d716713540715a2df"
+dependencies = [
+ "cfg-if",
+ "ordered-multimap",
+]
+
+[[package]]
+name = "rust-s3"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b2ac5ff6acfbe74226fa701b5ef793aaa054055c13ebb7060ad36942956e027"
+dependencies = [
+ "async-trait",
+ "attohttpc",
+ "aws-creds",
+ "aws-region",
+ "base64 0.13.1",
+ "bytes",
+ "cfg-if",
+ "hex",
+ "hmac",
+ "http",
+ "log",
+ "maybe-async",
+ "md5",
+ "percent-encoding",
+ "quick-xml",
+ "serde",
+ "serde_derive",
+ "sha2",
+ "thiserror",
+ "time",
+ "url",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -1402,6 +1663,18 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.20.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fff78fc74d175294f4e83b28343315ffcfb114b156f0185e9741cb5570f50e2f"
+dependencies = [
+ "log",
+ "ring",
+ "sct",
+ "webpki",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.15"
@@ -1423,6 +1696,16 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "sct"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "security-framework"
 version = "2.9.2"
@@ -1498,6 +1781,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479fb9d862239e610720565ca91403019f2f00410f1864c5aa7479b950a76ed8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.8"
@@ -1549,12 +1843,24 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
 [[package]]
 name = "strength_reduce"
 version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe895eb47f22e2ddd4dabc02bce419d2e643c8e3b585c78158b349195bc24d82"
 
+[[package]]
+name = "subtle"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1596,6 +1902,54 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9207952ae1a003f42d3d5e892dac3c6ba42aa6ac0c79a6a91a2b5cb4253e75c"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1728216d3244de4f14f14f8c15c79be1a7c67867d28d69b719690e2a19fb445"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.28",
+]
+
+[[package]]
+name = "time"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fdd63d58b18d663fbdf70e049f00a22c8e42be082203be7f26589213cd75ea"
+dependencies = [
+ "deranged",
+ "itoa",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
+
+[[package]]
+name = "time-macros"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb71511c991639bb078fd5bf97757e03914361c48100d52878b8e52b46fb92cd"
+dependencies = [
+ "time-core",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -1712,6 +2066,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.13"
@@ -1739,6 +2099,12 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e1766d682d402817b5ac4490b3c3002d91dfa0d22812f341609f97b08757359c"
 
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
 [[package]]
 name = "url"
 version = "2.4.0"
@@ -1853,6 +2219,25 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpki"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "webpki-roots"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c71e40d7d2c34a5106301fb632274ca37242cd0c9d3e64dbece371a40a2d87"
+dependencies = [
+ "webpki",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/Cargo.toml b/Cargo.toml
index c16d53c..b86c339 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,6 +39,7 @@ rayon = "1.6"
 ndarray = { version = "0.15", features = [ "rayon" ] }
 pyo3 = { version = "0.17.3", optional = true, features = ["anyhow", "auto-initialize", "abi3-py38"] }
 numpy = { version = "0.17.2", optional = true }
+rust-s3 = { version = "0.33.0", default-features = false, optional = true, features = [ "sync-rustls-tls" ] }
 
 [dependencies.serde]
 features = ["derive"]
@@ -69,4 +70,5 @@ static = ["hdf5-sys/static", "hdf5-sys/zlib"]
 fast-index = []
 python = ["pyo3", "numpy"]
 extension-module = ["python", "pyo3/extension-module"]
+s3 = [ "rust-s3" ]
 
diff --git a/src/reader/mod.rs b/src/reader/mod.rs
index 8413c3e..a1b2a70 100644
--- a/src/reader/mod.rs
+++ b/src/reader/mod.rs
@@ -4,4 +4,7 @@ pub mod dataset;
 pub mod direct;
 pub mod stream;
 
+#[cfg(feature = "s3")]
+pub mod s3;
+
 pub use dataset::{ParReader, ParReaderExt, Reader, ReaderExt, Streamer, StreamerExt};
diff --git a/src/reader/s3.rs b/src/reader/s3.rs
new file mode 100644
index 0000000..6f6ae90
--- /dev/null
+++ b/src/reader/s3.rs
@@ -0,0 +1,39 @@
+use crate::filters::byteorder::Order;
+use std::fs::File;
+use std::path::{Path, PathBuf};
+
+use super::{
+    chunk::{decode_chunk, read_chunk, read_chunk_to},
+    dataset::{ParReader, Reader},
+};
+use crate::idx::{Chunk, Dataset};
+
+pub struct S3Reader<'a, const D: usize> {
+    ds: &'a Dataset<'a, D>,
+    path: PathBuf,
+    chunk_sz: u64,
+}
+
+impl<'a, const D: usize> S3Reader<'a, D> {
+    pub fn with_dataset<P: AsRef<Path>>(
+        ds: &'a Dataset<D>,
+        path: P,
+    ) -> Result<S3Reader<'a, D>, anyhow::Error> {
+        let chunk_sz = ds.chunk_shape.iter().product::<u64>() * ds.dsize as u64;
+
+        Ok(S3Reader {
+            ds,
+            path: path.as_ref().into(),
+            chunk_sz,
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    #[test]
+    fn terrafusion() {
+        let url = "s3://terrafusiondatasampler/P233/TERRA_BF_L1B_O12236_20020406135439_F000_V001.h5";
+    }
+}